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单词 center
释义

center


cen·ter

C0197300 (sĕn′tər)n.1. A point or place that is equally distant from the sides or outer boundaries of something; the middle: the center of a stage.2. a. A point equidistant from the vertices of a regular polygon.b. A point equidistant from all points on the circumference of a circle or on the surface of a sphere.3. A point around which something rotates or revolves: The sun is the center of our solar system.4. A part of an object that is surrounded by the rest; a core: chocolates with soft centers.5. a. A place where a particular activity or service is concentrated: a medical center.b. A point of origin, as of influence, ideas, or actions: a center of power; a center of unrest.c. An area of dense population: a metropolitan center.6. A person or thing that is the chief object of attention, interest, activity, or emotion.7. A person, object, or group occupying a middle position.8. often Center A political group or a set of policies representing a moderate view between those of the right and the left.9. Physiology A group of neurons in the central nervous system that control a particular function: the vasomotor center.10. a. Sports A player who holds a middle position on the field, court, or forward line in some team sports, such as hockey and basketball.b. Football An offensive lineman who snaps the ball to begin a play, usually positioned in the middle of the line.c. Baseball Center field.11. a. A small conical hole made in a piece of work with a center punch so that a drill can be accurately positioned within it.b. A bar with a conical point used to support work, as during turning on a lathe.12. Architecture a. A centering.b. A point in space equidistant from all the points on an arch or on a portion of an arch.v. cen·tered, cen·ter·ing, cen·ters v.tr.1. To place in or at the center: centered the vase on the table.2. To direct toward a center or central point; concentrate or focus: tried to center the discussion on the main issues.3. Sports a. To pass (a ball or puck) toward the center of a playing area.b. To play as a center on (a line), as in ice hockey.4. Football To hike (the ball) to begin a down.v.intr.1. To be concentrated; cluster: The epidemic centered in the urban areas.2. To have a central theme or concern; be focused: Her novels center on the problems of adolescence.3. Sports To play as a center.
[Middle English centre, from Old French, from Latin centrum, from Greek kentron, center of a circle, from kentein, to prick; see kent- in Indo-European roots.]Usage Note: As a verb center can represent various relations involving having, finding, or turning about a center. The choice of a preposition to accompany center depends on the meaning one wants to convey. For certain physical uses, the Usage Panel favors in more than at. In our 1996 ballot, 73 percent found in acceptable, but only 23 percent accepted at in the sentence The company has been centered (in/at) Atlanta for the last five years. · In figurative contexts, there is ample evidence for center in, on, upon, and around. In our 2006 survey, for example, 91 percent of the Panel accepted center on in the sentence The discussion centered on the need for curriculum reform. Some language critics have denounced center around as illogical—if something is in the center, after all, it cannot be "around" something else. Nonetheless, 71 percent of the Usage Panel accepted center around in the 1996 survey, suggesting that, logical or not, center around must be considered a standard idiom. But if the expression does not seem a comfortable fit, revolve around offers itself as a substitute that clearly evokes an orbiting body. See Usage Note at equal.

center

(ˈsɛntə) n, vb the US spelling of centre

cen•ter

(ˈsɛn tər)

n. 1. the point within a circle or sphere equally distant from all points of the circumference or surface, or the point within a regular polygon equally distant from the vertices. 2. a point, pivot, or axis around which something rotates or revolves. 3. the core or middle of something. 4. the source of an influence, action, or force: the center of a problem. 5. a focus of interest or concern. 6. a principal point, place, or object: a shipping center. 7. a building or part of a building used as a meeting place or having facilities for activities. 8. an office or other facility providing a service or dealing with a particular emergency. 9. a person, thing, or group occupying the middle position, esp. a body of troops. 10. a store or establishment devoted to a particular subject or hobby: a garden center. 11. shopping center. 12. (usu. cap.) a. (esp. in continental Europe) the members of a legislative assembly who hold views intermediate between those of the Right and Left, customarily seated in the center of the chamber. b. individuals or groups holding moderate views, esp. in politics. c. the moderate position held by these people. 13. a. a football lineman in the middle of the line who puts the ball into play by tossing it between his legs to a back. b. the position played by this lineman. 14. a. a basketball player, usu. the team's tallest, who plays close to and in front of the basket. b. this position or role. 15. an ice hockey player who participates in a face-off at the beginning of play. 16. Math. a. the mean position of a figure or system. b. the set of elements of a group that commute with every element of the group. 17. a tapered rod, mounted in the headstock spindle or the tailstock spindle of a lathe, upon which the work to be turned is placed. v.t. 18. to place in or on a center. 19. to collect to or around a center; focus: He centered his novel on the Civil War. 20. to determine or mark the center of. 21. to adjust, shape, or modify (an object, part, etc.) so that its axis or the like is in a central or normal position. 22. Football. snap (def. 19). v.i. 23. to be at or come to a center. 24. to come to a focus; converge; concentrate (fol. by at, about, around, in, or on). 25. to gather or accumulate in a cluster; collect (fol. by at, about, around, in, or on). Also, esp. Brit.,centre.[1325–75; < Latin centrum < Greek kéntron needle, pivoting point in drawing a circle, derivative of kenteîn to sting]cen′ter•a•ble, adj. cen′ter•less, adj. usage: Although frequently condemned as illogical, the phrases center about and center around have appeared in edited writing for more than a century to express the sense of collecting or gathering as if around a center. The phrase revolve around is often suggested as a substitute; the prepositions at, in, and on are regarded as acceptable with center in this sense: Their objections centered on his lack of experience.

center


Past participle: centered
Gerund: centering
Imperative
center
center
Present
I center
you center
he/she/it centers
we center
you center
they center
Preterite
I centered
you centered
he/she/it centered
we centered
you centered
they centered
Present Continuous
I am centering
you are centering
he/she/it is centering
we are centering
you are centering
they are centering
Present Perfect
I have centered
you have centered
he/she/it has centered
we have centered
you have centered
they have centered
Past Continuous
I was centering
you were centering
he/she/it was centering
we were centering
you were centering
they were centering
Past Perfect
I had centered
you had centered
he/she/it had centered
we had centered
you had centered
they had centered
Future
I will center
you will center
he/she/it will center
we will center
you will center
they will center
Future Perfect
I will have centered
you will have centered
he/she/it will have centered
we will have centered
you will have centered
they will have centered
Future Continuous
I will be centering
you will be centering
he/she/it will be centering
we will be centering
you will be centering
they will be centering
Present Perfect Continuous
I have been centering
you have been centering
he/she/it has been centering
we have been centering
you have been centering
they have been centering
Future Perfect Continuous
I will have been centering
you will have been centering
he/she/it will have been centering
we will have been centering
you will have been centering
they will have been centering
Past Perfect Continuous
I had been centering
you had been centering
he/she/it had been centering
we had been centering
you had been centering
they had been centering
Conditional
I would center
you would center
he/she/it would center
we would center
you would center
they would center
Past Conditional
I would have centered
you would have centered
he/she/it would have centered
we would have centered
you would have centered
they would have centered

center

Usually the tallest and most important player of a team, playing between the two forwards; must be good on the rebound.
Thesaurus
Noun1.center - an area that is approximately central within some larger region; "it is in the center of town"; "they ran forward into the heart of the struggle"; "they were in the eye of the storm"middle, centre, eye, heartarea, country - a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography); "it was a mountainous area"; "Bible country"center stage, centre stage - the central area on a theater stagecentral city, city center, city centre - the central part of a citystorm center, storm centre - the central area or place of lowest barometric pressure within a stormfinancial center - the part of a city where financial institutions are centeredhub - a center of activity or interest or commerce or transportation; a focal point around which events revolve; "the playground is the hub of parental supervision"; "the airport is the economic hub of the area"inner city - the older and more populated and (usually) poorer central section of a citymedical center - the part of a city where medical facilities are centeredmidfield - (sports) the middle part of a playing field (as in football or lacrosse)seat - a center of authority (as a city from which authority is exercised)midstream - the middle of a stream
2.center - the piece of ground in the outfield directly ahead of the catcher; "he hit the ball to deep center"center field, centerfieldoutfield - the area of a baseball playing field beyond the lines connecting the basesparcel of land, piece of ground, piece of land, tract, parcel - an extended area of land
3.center - a building dedicated to a particular activity; "they were raising money to build a new center for research"centrebuilding, edifice - a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"burn center - a center where patients with severe burns can be treatedcall center, call centre - a center equipped to handle a large volume of telephone calls (especially for taking orders or serving customers)civic center, community center - a center where the members of a community can gather for social or cultural activitiesconference center, conference house - a center where conferences can be conductedcontrol center - the operational center for a group of related activities; "the general in command never left the control center"research center, research facility - a center where research is doneservice club - a recreational center for servicemensettlement house - a center in an underprivileged area that provides community servicesstudent center - a center for student activities at a college or university
4.center - a point equidistant from the ends of a line or the extremities of a figurecenter - a point equidistant from the ends of a line or the extremities of a figuremidpoint, centrebight - the middle part of a slack rope (as distinguished from its ends)center of curvature, centre of curvature - the center of the circle of curvaturebowels - the center of the Earthbull's eye, bull - the center of a targetcenter of gravity, centre of gravity - the point within something at which gravity can be considered to act; in uniform gravity it is equal to the center of masscenter of mass, centre of mass - point representing the mean position of the matter in a bodycore - the center of an object; "the ball has a titanium core"navel point, navel - the center point or middle of something; "the Incas believed that Cuzco was the navel of the universe"nombril - the center point on a shieldpoint - the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street"core - the central part of the Earthnucleus - the positively charged dense center of an atomnucleus - (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
5.center - the choicest or most essential or most vital part of some idea or experience; "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"essence, heart and soul, inwardness, nitty-gritty, pith, substance, gist, kernel, nub, meat, sum, core, heart, marrow, centrecognitive content, mental object, content - the sum or range of what has been perceived, discovered, or learnedbare bones - (plural) the most basic facts or elements; "he told us only the bare bones of the story"hypostasis - (metaphysics) essential nature or underlying realityhaecceity, quiddity - the essence that makes something the kind of thing it is and makes it different from any otherquintessence - the purest and most concentrated essence of somethingstuff - a critically important or characteristic component; "suspense is the very stuff of narrative"
6.center - the object upon which interest and attention focuses; "his stories made him the center of the party"center of attention, centre of attention, centreobject - the focus of cognitions or feelings; "objects of thought"; "the object of my affection"conversation piece - something interesting that stimulates conversationcrosshairs - a center of interest; "the war on terrorism has put Saddam Hussein in the crosshairs"cynosure - something that strongly attracts attention and admiration; "if he was the cynosure of all eyes he didn't notice"eye-catcher - a striking person or thing that attracts attention
7.center - a cluster of nerve cells governing a specific bodily process; "in most people the speech center is in the left hemisphere"nerve center, nerve centre, centreneural structure - a structure that is part of the nervous systemauditory center - the part of the brain (in a fold of the cerebral cortex of the temporal lobe on both sides of the brain) that receives impulses from the ear by way of the auditory nerveolfactory brain, rhinencephalon - a center in the cerebral hemispheres that governs the sense of smell in lower animals; in humans it seems to mediate complex emotional behaviorBroca's area, Broca's center, Broca's convolution, Broca's gyrus, convolution of Broca - the motor speech center in the left hemisphere of the brain in most peopleWernicke's area, Wernicke's center - the auditory word center; located in the posterior part of the superior temporal convolution in most peoplesuperior colliculus - an essential visual center between the retina and the striate cortexinferior colliculus - an essential auditory center in the midbrainrespiratory center - the center in the medulla oblongata and pons that integrates sensory information about the level of oxygen and carbon dioxide in the blood and determines the signals to be sent to the respiratory muscles
8.center - the middle of a military or naval formation; "they had to reinforce the center"armed forces, armed services, military, military machine, war machine - the military forces of a nation; "their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"formation - an arrangement of people or things acting as a unit; "a defensive formation"; "a formation of planes"
9.center - (basketball) the person who plays center on a basketball teambasketball, basketball game, hoops - a game played on a court by two opposing teams of 5 players; points are scored by throwing the ball through an elevated horizontal hoopbasketball player, basketeer, cager - an athlete who plays basketball
10.center - (football) the person who plays center on the line of scrimmage and snaps the ball to the quarterback; "the center fumbled the handoff"snapperfootball, football game - any of various games played with a ball (round or oval) in which two teams try to kick or carry or propel the ball into each other's goallineman - one of the players on the line of scrimmage
11.center - a place where some particular activity is concentrated; "they received messages from several centers"centreplace, property - any area set aside for a particular purpose; "who owns this place?"; "the president was concerned about the property across from the White House"nerve center, nerve centre - a center that provides information and control; "the nerve center of the diamond industry is in Amsterdam"capital - a center that is associated more than any other with some activity or product; "the crime capital of Italy"; "the drug capital of Columbia"
12.center - politically moderate persons; centristssocial class, socio-economic class, stratum, class - people having the same social, economic, or educational status; "the working class"; "an emerging professional class"centrist, middle of the roader, moderate, moderationist - a person who takes a position in the political center
13.center - (ice hockey) the person who plays center on a hockey teamhockey game, ice hockey, hockey - a game played on an ice rink by two opposing teams of six skaters each who try to knock a flat round puck into the opponents' goal with angled stickshockey player, ice-hockey player - an athlete who plays hockey
14.center - the sweet central portion of a piece of candy that is enclosed in chocolate or some other coveringcentreconfection, sweet - a food rich in sugarchocolate candy - candy made with chocolate
15.center - mercantile establishment consisting of a carefully landscaped complex of shops representing leading merchandiserscenter - mercantile establishment consisting of a carefully landscaped complex of shops representing leading merchandisers; usually includes restaurants and a convenient parking area; a modern version of the traditional marketplace; "a good plaza should have a movie house"; "they spent their weekends at the local malls"shopping center, shopping centre, shopping mall, mall, plazafood court - an area (as in a shopping mall) where fast food is sold (usually around a common eating area)mercantile establishment, outlet, retail store, sales outlet - a place of business for retailing goods
16.center - the position on a hockey team of the player who participates in the face off at the beginning of the gameposition - (in team sports) the role assigned to an individual player; "what position does he play?"hockey team - a team that plays ice hockey
17.center - (American football) the position of the player on the line of scrimmage who puts the ball in play; "it is a center's responsibility to get the football to the quarterback"lineman - (American football) the position of a player on a football team who is stationed on the line of scrimmagefootball team, eleven - a team that plays football
18.center - a position on a basketball team of the player who participates in the jump that starts the gameposition - (in team sports) the role assigned to an individual player; "what position does he play?"basketball team, five - a team that plays basketball
Verb1.center - center upon; "Her entire attention centered on her children"; "Our day revolved around our work"center on, concentrate on, focus on, revolve about, revolve aroundconcern, have to do with, pertain, bear on, come to, touch on, refer, relate, touch - be relevant to; "There were lots of questions referring to her talk"; "My remark pertained to your earlier comments"
2.center - direct one's attention on something; "Please focus on your studies and not on your hobbies"focus, pore, rivet, centre, concentrateengross, engulf, steep, soak up, immerse, absorb, plunge - devote (oneself) fully to; "He immersed himself into his studies"cerebrate, cogitate, think - use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments; "I've been thinking all day and getting nowhere"rivet - hold (someone's attention); "The discovery of the skull riveted the paleontologists"recall - cause one's (or someone else's) thoughts or attention to return from a reverie or digression; "She was recalled by a loud laugh"think - focus one's attention on a certain state; "Think big"; "think thin"zoom in - examine closely; focus one's attention on; "He zoomed in on the book"take heed, listen, hear - listen and pay attention; "Listen to your father"; "We must hear the expert before we make a decision"
3.center - move into the center; "That vase in the picture is not centered"centremove, displace - cause to move or shift into a new position or place, both in a concrete and in an abstract sense; "Move those boxes into the corner, please"; "I'm moving my money to another bank"; "The director moved more responsibilities onto his new assistant"center, center on, concentrate on, focus on, revolve about, revolve around - center upon; "Her entire attention centered on her children"; "Our day revolved around our work"
Adj.1.center - equally distant from the extremescenter - equally distant from the extremes halfway, midway, middlecentral - in or near a center or constituting a center; the inner area; "a central position"
2.center - of or belonging to neither the right nor the left politically or intellectuallyleft - of or belonging to the political or intellectual leftright - of or belonging to the political or intellectual right

center

noun1. A point or an area equidistant from all sides of something:median, middle, midpoint, midst.2. A place of concentrated activity, influence, or importance:focus, headquarters, heart, hub, seat.3. A point of origin from which ideas or influences, for example, originate:bottom, core, focus, heart, hub, quick, root.verbTo direct toward a common center:channel, concentrate, converge, focalize, focus.adjectiveAt, in, near, or being the center:central, medial, median, mid, middle.
Translations
中心

centre

(American) center (ˈsentə) noun1. the middle point, or middle of anything; the point or area farthest from the edge. the centre of a circle; the city centre. 中心點 中心点2. a place having, or designed for, a particular activity, interest etc. a centre of industry; a shopping-centre; a sports-centre. 中心 中心3. the main point (of interest etc). the centre of attention. 重點 重点 verb1. to place, or to be, at the centre. 把...放在中央,位於中央 把...放在中部,位于中央 2. (with on) to concentrate round. Her plans always centre on her child. 把心思集中在 集中

center

中心zhCN
  • How do I get to the center of ...? (US)
    How do I get to the centre of ...? (UK) → 去...中心怎么走?
  • Please take me to the conference center (US)
    Please take me to the conference centre (UK) → 请带我去会议中心

center


center field

1. In baseball, the area of the field beyond second base and in the middle of the outfield. Primarily heard in US, South Africa. He hit the ball into center field—and right into the glove of the outfielder.2. In baseball, the position of a player who occupies and defends the center of the field. Primarily heard in US, South Africa. My goal is to be fast enough to play center field next year.3. A position between extremes or in line with what is generally accepted or understood. Often used with "left of" or "right of" (usually referring to political ideology) to indicate a more biased position. The president has been accused by both political parties of wanting to stay in center field on the issue of tax reform. Once I heard John's liberal ideas, I knew his beliefs were left of center field.See also: center, field

center of attraction

A person, place, or thing that attracts the most attention among others. There were many movie stars at the premiere, but the leading lady was the center of attraction. Temple Bar is definitely the center of attraction in Dublin.See also: attraction, center, of

be center stage

To be the main focus. I'm not talking about my promotion today because my sister's engagement should be center stage. Her photos will be center stage at the exhibit.See also: center, stage

center around (someone or something)

To focus on someone or something. But it's Beth's surprise party, not yours, so all the decorations and games should center around her and her alone. This novel centers around the protagonist's journey to self-discovery.See also: around, center

the center of attention

The main focus of people's interest or attention. This phrase sometimes has a negative connotation when it refers to one who pursues or seems to crave attention. My little sister always has to be the center of attention, so of course her drama overshadowed my birthday party. And in this corner of the room, a gorgeous, three-tiered cake will be the center of attention.See also: attention, center, of

center on (someone or something)

1. To focus on someone or something. A noun or pronoun can be used between "center" and "on." But it's Beth's surprise party, not yours, so all the decorations and games should center on her and her alone. This novel centers on the protagonist's journey to self-discovery.2. To position something in the center of a space, usually a wall. A noun or pronoun can be used between "center" and "on." That picture just isn't centered on the wall—tilt it a little more to the left.See also: center, on

dead center

Exactly in the middle of something. If you're going to hang that painting, make sure you put it dead center—otherwise, it will just look weird. I want you dead center in this picture, so move a little to the left.See also: center, dead

left, right, and center

In many different places or to many different people all at once. Primarily heard in US. Ever since the company started, we've had financial issues left, right, and center. The economy has been devastating people left, right, and center in this country.See also: and, center

left, right, and centre

In many different places or to many different people all at once. Primarily heard in UK. Ever since the company started, we've had financial issues left, right, and centre. The economy has been devastating people left, right, and centre in this country.See also: and, centre

take center stage

To be the main focus. I'm not talking about my promotion today because my sister's engagement should take center stage. Her photos took center stage at the exhibit.See also: center, stage, take

front and center

In a very conspicuous or notable place; at the forefront of some space. I can't believe that my daughter is on stage, front and center! That painting is really eye-catching, so be sure to put it front and center.See also: and, center, front

off-center

1. Not perfectly lined up in the center of something. I don't know. I still think the picture looks a little off-center.2. Not standard, typical, or usual; unique or odd. We've taken an off-center approach to solving this problem.

on dead center

Exactly in the middle of something. Make sure that painting is on dead center on the wall—otherwise, it will just look weird. The politician has been criticized by his constituents for sitting on dead center when it comes to the issue of immigration reform.See also: center, dead, on

center around someone or something

to make someone or something the central point in something; to be based on someone or something. Your salary increases center around your ability to succeed at your job. The success of the picnic centers around the weather next week.See also: around, center

center of attention

the focus of people's attention; the thing or person who monopolizes people's attention. She had a way of making herself the center of attention wherever she went.See also: attention, center, of

center on someone or something

to focus on someone or something in particular. Let us center on the basic problem and try to solve it. I want to center on Liz and her contributions to the firm.See also: center, on

center something on someone or something

to base something on someone or something. Let us center the discussion on Walter. Our whole meeting was centered on the conservation question.See also: center, on

dead center

at the exact center of something. The arrow hit the target dead center. When you put the flowers on the table, put them dead center.See also: center, dead

off center

not exactly in the center or middle. The arrow hit the target a little off center. The picture hanging over the chair is a little off center.See also: center, off

on dead center

 1. Lit. at the exact center of something. The arrow hit the target on dead center. When you put the flowers on the table, put them on dead center. 2. Fig. exactly correct. Mary is quite observant. Her analysis is on dead center. My estimate wasn't on dead center, but it was very close to the final cost.See also: center, dead, on

center of attraction, the

Something or someone that attracts the most interest or curiosity. For example, The Ferris wheel is always the center of attraction at our carnival, or Jan is the center of attraction wherever she goes. This expression comes from physics, where since about 1770 it has denoted the point to which bodies tend by gravity or the action of centripetal force. See also: center, of

front and center

In the most prominent position, as in You couldn't miss John-he was front and center in that presentation. This expression alludes to the best and usually most expensive seats in a theater. See also: and, center, front

left, right, and centre

BRITISH or

left and right

AMERICANYou use left, right, and centre to show that something is happening or being done a lot. They're expecting the state to pay out money left right and centre. The Postal Service has been losing customers left and right.See also: and, centre

left, right, and centre (also left and right or right and left)

on all sides. 1996 Loaded She relocated to New York… quickly finding herself heralded left, right and centre as The Face Of The '80s. See also: and, centre

ˌfront and ˈcenter

(American English) in or into the most important position: This is the first TV channel to put kids front and center.See also: and, center, front

center around

v.1. To be primarily concerned with something: The plot of this story centers around the life of a cowboy.2. To make or do something that is primarily concerned with something else: We centered our discussion around the problem of homelessness.See also: around, center

center on

v.1. To be concerned primarily with something: This chapter centers on the childhood of one of the characters.2. To make or do something that is concerned primarily with something else: We centered our analysis on the best pieces of evidence.3. To place something at the center of some location: We centered the painting on the wall.See also: center, on

front and center

In the most prominent position.See also: and, center, front
See Center

Center


center,

in politics, a party following a middle course. The term was first used in France in 1789, when the moderates of the National Assembly sat in the center of the hall. It can refer to a separate party in a political system, e.g., the Catholic Center party of imperial and Weimar Germany, or to the middle group of a party consisting of several ideological factions.

Center

 

in machine building, a device used to position a work-piece or mandrel on lathes, rotary grinders, and other machine tools, as well as on checking and measurement instruments.

One end of a center has a working conical surface with a vertex angle of 60° or 90°; the other has a shank with a shallow cone used to secure the center in the headstock spindle or tailstock spindle, which is an axially adjustable sleeve. If it is necessary to bore the end face of a workpiece, an opening is provided on the dead center so that a cutting tool may protrude. Machining of hollow workpieces calls for larger-diameter centers in the shape of truncated cones that fit into a conical, chamfered hole in the workpiece. Live centers, which are set in the spindle of the machine tool, have serrations on a conical working surface to transmit motion to the workpiece. In order to prevent slippage of the workpiece at higher machine speeds, the dead center may be replaced with a live center running on roller bearings. Centers are fabricated from hardened steel.


Center

 

in mathematics. (1) A point O is said to be the center of symmetry of a geometric configuration if for every point A of the configuration there is another point A′ of the configuration such that O is the midpoint of the line joining A and A′. A curve or surface that has such a center is said to be central. The circle, ellipse, and hyperbola are the simplest examples of central curves, and the sphere, ellipsoid, and hyperboloid (of one or two sheets) are the simplest examples of central surfaces. It is possible for a configuration to have infinitely many centers of symmetry; for example, the centers of symmetry of a configuration consisting of two parallel lines lie on the line equidistant from the two given lines. (See alsoSYMMETRY.)

Figure 1

(2) The center of similitude of radially related configurations is the point S at which lines joining corresponding points of the configurations intersect (Figure 1).

Figure 2

(3) If all integral curves in the neighborhood of a singular point of a differential equation are closed and enclose the singular point, that point is said to be a center (Figure 2). Centers belong to the class of singular points whose character generally is not preserved when small changes are made in the right-hand side of the equation.

center

[′sen·tər] (industrial engineering) A manufacturing unit containing a number of interconnected cells. (mathematics) The point that is equidistant from all the points on a circle or sphere. The point (if it exists) about which a curve (such as a circle, ellipse, or hyperbola) is symmetrical. The point (if it exists) about which a surface (such as a sphere, ellipsoid, or hyperboloid) is symmetrical. For a regular polygon, the center of its circumscribed circle. The subgroup consisting of all elements that commute with all other elements in a given group. The subring consisting of all elements a such that ax = xa for all x in a given ring. (optics) To adjust the components of an optical system so that their centers of curvature lie on a common optical axis. Also known as square-on. (statistics) For a distribution, the expected value of any random variable which has the distribution.

center

1. The center ply in plywood. 2. The core in a laminated construction. 3. Centering.4. The center about which an arc of a circle is drawn, equidistant from all points on the arc.

centre

(US), center1. Geometrya. the midpoint of any line or figure, esp the point within a circle or sphere that is equidistant from any point on the circumference or surface b. the point within a body through which a specified force may be considered to act, such as the centre of gravity 2. the point, axis, or pivot about which a body rotates 3. Politicsa. a political party or group favouring moderation, esp the moderate members of a legislative assembly b. (as modifier): a Centre-Left alliance 4. Physiol any part of the central nervous system that regulates a specific function 5. a bar with a conical point upon which a workpiece or part may be turned or ground 6. a punch mark or small conical hole in a part to be drilled, which enables the point of the drill to be located accurately 7. Basketballa. the position of a player who jumps for the ball at the start of play b. the player in this position 8. Archerya. the ring around the bull's eye b. a shot that hits this ring

center


center

 [sen´ter] 1. a point from which a process starts, especially a plexus or ganglion giving off nerves that control a function.2. nerve center.3. an agency or other site where services are offered to the public.accelerating center the vasomotor center in the brainstem involved in acceleration of heart action.apneustic center a nerve center in the brainstem controlling normal respiration.Broca's center Broca's motor speech area.cardioinhibitory center a vasomotor center in the medulla oblongata that exerts an inhibitory influence on the heart.cardiovascular control c's vasomotor centers.community mental health center (CMHC) a mental health facility or group of affiliated agencies that provide services to a designated catchment area.coughing center a nerve center in the medulla oblongata, situated above the respiratory center, which controls the act of coughing.deglutition center a nerve center in the medulla oblongata that controls swallowing.detente center a residential care center of the kinlein type, using the esca theory of moving as the basis for the staff's actions to maintain the independence of residents who are experiencing lessened physical or mental capacity.C's for Disease Control and Prevention (CDC) an agency of the United States Department of Health and Human Services whose headquarters is in Atlanta, Georgia. It is concerned with all phases of control of communicable, vector-borne, and occupational diseases and with the prevention of disease, injury, and disability. Its responsibilities include epidemiology, surveillance, detection, laboratory science, ecological investigations, training, disease control methods, chronic disease prevention, health promotion, and injury prevention and control. Its major tasks include the licensing of qualified clinical laboratories for interstate commerce, maintenance of laboratories as reference centers for microorganisms and infectious diseases, and operation of extensive research programs in the prevention, detection and control of disease. The CDC's name has changed several times to reflect its expanding role; it has been called the Communicable Disease Center (1946), the Center for Disease Control (1970), and the Centers for Disease Control (1980). The latest name change, enacted by Congress in 1992, reflects the expansion of the scope of the CDC's mission to include health promotion and education. Because of the widespread recognition of the acronym CDC, that acronym continues to be used by the agency. The mailing address of the CDC is Centers for Disease Control and Prevention, 1600 Clifton Rd. NE, Atlanta, GA 30333, and the website is http://www.cdc.gov.ejaculation center a reflex center in the lumbar spinal cord that regulates ejaculation of semen during sexual stimulation.erection center a reflex center in the sacral spinal cord that regulates erection of the penis or clitoris. Called also genital center.feeding center a group of cells in the lateral hypothalamus that when stimulated cause a sensation of hunger; called also hunger center.genital center erection center.germinal center the area in the center of a lymph node containing aggregations of actively proliferating lymphocytes.health center 1. a community health organization providing ambulatory health care and referrals to appropriate service agencies, and coordinating the efforts of all health agencies.2. an educational complex consisting of a medical college, nursing college, and various allied health professional schools.heat-regulating c's thermoregulatory centers.hunger center feeding center.medullary respiratory center the nerve center in the medulla oblongata that coordinates respiratory movements.micturition c's a nerve center controlling the bladder and inhibiting the tension of the vesical sphincter, situated in the lumbar enlargement.nerve center a collection of nerve cells in the central nervous system that are associated together in the performance of some particular function, such as a area" >primary area or an area" >association area.nursing center a site where public health or primary care services, including patient education, assessment, and screening and preventive services are provided and managed by registered nurses.center of ossification any point in bones at which ossification begins.pneumotaxic center a nerve center in the upper pons that rhythmically inhibits inhalation.poison center (poison control center) see poison control center.rectovesical center a reflex center in the spinal cord that regulates the rectum and bladder.reflex center any nerve center at which afferent sensory impressions are converted into efferent motor impulses.respiratory c's a series of nerve centers (the apneustic, pneumotaxic, and medullary respiratory centers) in the medulla and pons that coordinate respiratory movements.satiety center a group of cells in the ventromedial hypothalamus that when stimulated suppress the desire for food.senior center a program supported by Title XX funding, providing recreational activities and lunch for a small fee for older adults in need of socialization. Health assessments and education may also be provided.sudorific center 1. a nerve center in the anterior hypothalamus controlling sweating.2. any of several nerve centers in the medulla oblongata or spinal cord that exercise parasympathetic control over sweating. Called also sweat center.swallowing center deglutition center.sweat center sudorific center.thermoregulatory c's nerve centers in the hypothalamus that regulate the conservation and dissipation of heat.thirst center a group of cells in the lateral hypothalamus that when stimulated cause a sensation of thirst.trauma center an institution officially designated as a site to which catastrophically injured patients can be brought quickly to receive specialized care. Trauma centers are classified as Level I, II, or III according to criteria developed by the Committee on Trauma of the American College of Surgeons, with Level I facilities having the equipment and personnel necessary to care for the most seriously injured patients.vasoconstrictor center a nerve center in the medulla oblongata and lower pons that controls contraction of the blood vessels.vasodilator center a nerve center in the medulla oblongata that causes dilation of blood vessels by repressing the activity of the vasoconstrictor center.vasomotor c's nerve centers in the medulla oblongata and the lower pons that regulate the caliber of the blood vessels and increase or decrease the heart rate and contractility. See also vasoconstrictor c. and vasodilator c. Called also cardiovascular control c's.vomiting center a center in the lower central region of the medulla oblongata; its stimulation causes vomiting.word center, auditory Wernicke's area.

cen·ter

(sen'ter), [TA] 1. The middle point of a body; loosely, the interior of a body. A center of any kind, especially an anatomic center. 2. A group of nerve cells governing a specific function. Synonym(s): centrum [TA] [L. centrum; G. kentron]

center

Anatomy A region in the body where something occurs. See Burned-out germinal center, Cell center, Ejaculation center, Erection center, Feeding center, Germinal center, Ossification center, Regressively transformed germinal center, Satiation center, Vasomotor center Vox populi A place where something occurs. See Academic medical center, Alternative birthing center, Ambulatory care center, Ambulatory surgery center, Burn center, Cancer center, Centers for Disease Control & Prevention, Center of excellence, CEPH center, Community mental health center, Day care center, Diagnostic center, Fox Chase Cancer Center, Imaging center, Level one trauma center, Medical center, MTOC, Multicenter, Poison control center, Research center, Residential treatment, Secondary care center, Surgicenter, Tertiary care center, Urgent care center, Yerkes Regional Primate Research center.

cen·ter

(sen'tĕr) [TA] 1. The middle point of a body. 2. A center of any kind, especially an anatomic center.
Synonym(s): centrum [TA] , centre.
3. A group of nerve cells governing a specific function. 4. A health care or therapeutic facility performing a particular function or service for people in the surrounding area.
Synonym(s): centre.
[L. centrum; G. kentron]

center

(sent'er) [L. centrum, center fr Gr. kentron, point, needle, pivot] 1. The middle point of a body. 2. A group of nerve cells within the central nervous system that controls a specific activity or function.

acoustic center

The hearing center in the brain, located in the temporal lobe of the cerebrum.

adult day care center

A center for daytime supervision of adults. These centers provide supervised social, recreational, and health-related activities, usually in a group setting. The centers permit caregivers a respite and free them for other activities (work, play, appointments, socialization) during the day.

ambulatory surgery center

An outpatient surgical center for cardioversions, endoscopies, and other relatively minor operations that do not require prolonged confinement in a hospital.

apneustic center

A cluster of brainstem neurons, located in the lower pons, that regulate breathing by prolonging inhalation.

association center

The center controlling associated movements.

auditory center

The center for hearing in the anterior gyri of the transverse temporal gyri. See: auditory area

autonomic center

The center in the brain or spinal cord that regulates any of the activities under the control of the autonomic nervous system. Most centers are located in the hypothalamus, medulla oblongata, and spinal cord.

birth center

An alternative nonhospital facility that provides family-oriented maternity care for women judged to be at low risk of experiencing obstetrical complications.

Broca center

See: Broca, Pierre-Paul

call center

A communications center that manages incoming and outgoing telephone calls with customers and clients. In health care, the center may help to manage appointments and messages or may provide patients with information about illnesses, health care resources, services provided, or self-management of disease.

cardioaccelerator center

The center in the medulla oblongata that gives rise to impulses that speed up the heart rate. Impulses reach the heart by way of sympathetic fibers.

cardioinhibitory center

The center in the medulla oblongata that gives rise to impulses that decrease the heart rate. Impulses reach the heart by way of the vagus (parasympathetic) nerves.

chondrification center

The center of cartilage formation.

ciliospinal center

The center in the spinal cord that transmits sympathetic impulses that dilate the pupils of the eyes.

day care center

A place for the care of preschool children when their parents are for any reason unable to care for them. Initially, such facilities were open during normal working hours, but many now offer early drop-off and late pickup.

defecation center

Either of two centers, a medullary center located in the medulla oblongata and a spinal center located in the second to fourth sacral segments of the spinal cord. The anospinal center controls the reflex aspects of defecation.

deglutition center

A group of structures in the brain that controls swallowing. These structures are located in the medulla oblongata and in the inferior pons.

diabetic center

1. An area in the floor of the fourth ventricle of the brain.2. A health care facility that provides specialized care to patients with diabetes mellitus.

epiotic center

The ossification center of the temporal bone, forming the upper and posterior part of the auditory capsule.

expiratory center

The part of the respiratory center, located dorsal to the inspiratory center, that promotes a forced exhalation.

feeding center

An area in the ventrolateral nucleus of the hypothalamus that originates signals to the cerebral cortex that stimulate eating. See: satiety center; set point weight

germinal center

A collection of B cells undergoing proliferation within the follicle of a lymph node or other lymphoid tissue after antigen stimulation.

gustatory center

The center, primarily in the parietal lobes, that feels and interprets taste. Synonym: taste center; taste area

heat-regulating center

Either of two centers, a heat loss and a heat production center, located in the hypothalamus. They regulate body temperature.

higher center

A center in any portion of the brain, in contrast to one in the spinal cord.

independent living center

A community facility that coordinates services for the disabled, including counseling, training, rehabilitation, assistance with devices, and respite care.

inspiratory center

The respiratory center, located in the rostral half of the reticular formation overlying the olivary nuclei, that generates impulses that cause contraction of the diaphragm and external intercostal muscles.

lower center

A center in the brainstem or spinal cord. MICTURITION CENTER

micturition center

A center that controls the reflexes of the urinary bladder. These are located in the second to fourth and fourth to sixth sacral segments of the cord. Higher centers are present in the medulla oblongata, hypothalamus, and cerebrum. See: illustration

motor cortical center

An area in the frontal lobe in which impulses for voluntary movements originate.

nerve center

An area in the central nervous system or in a ganglion that is responsible for certain functions; examples include the motor areas in the frontal lobes of the cerebrum.

organization center

1. An embryonic group of cells that induces the development of another structure.2. A region in an ovum that is responsible for the mode of development of the fertilized ovum.

ossification center

The site or sites in bones where calcification begins and bone replaces fibrous connective tissue or cartilage. The region of bone formation at the center of the body of a long bone is called the primary (diaphyseal) ossification center. Most secondary ossification centers are found in the epiphyses.

panoramic rotational center

The axis on which the tube head and cassette of a panoramic x-ray machine rotate.

pneumotaxic center

The center in the pons that rhythmically inhibits inspiration.

poison control center

, poison centerA facility meeting the staffing and equipment standards of the American Association of Poison Control Centers and recognized to be able to give information about poisoning or treatment to patients suffering from poisoning. A poison information center consists of specially trained staff and a reference library but does not have treatment facilities. More than 400 poison centers are scattered throughout the U.S., offering 24-hr service. They are commonly associated with or are part of large hospitals or medical schools. A government agency (the Bureau of Drugs Division of the Poison Control Branch of the Food and Drug Administration, U.S, Department of Health and Human Services) is also active in poison control programs and in coordinating the efforts of individual centers. In the U.S., all poison control centers can be reached by calling 1-800-222-1222.

psychocortical center

Any of the centers of the cerebral cortex concerned with voluntary muscular contractions.

reflex center

A region within the brain or spinal cord where connections (synapses) are made between afferent and efferent neurons of a reflex arc.

respiratory center

A region in the medulla oblongata of the brainstem that regulates movements of respiration. This area consists of an inspiratory center and an expiratory center. The pons contains the apneustic center and the pneumotaxic center.

satiety center

An area in the ventromedial hypothalamus that modulates the stimulus to eat by sending inhibitory impulses, following a meal, to the feeding center. Blood levels of nutrients and gastrointestinal hormones influence its activity.

senior center

A community building or meeting room where older adults gather for education, recreation, and services and activities that reflect their interests, enhance their dignity, support their independence, and encourage their involvement with the community. There are approx. 15,000 centers across the U.S., serving close to 10 million older adults annually. Most are supported by government and local nonprofit organizations. Since 1965, the Older Americans Act has provided some funding support to over 6000 senior centers through service contracts for program activities.

speech center

Broca area.

stroke center

A tertiary care hospital that specializes in the care of patients with acute neurological dysfunction, esp. the administration of thrombolytic drugs to appropriately selected patients with acute ischemic stroke; the management of patient blood pressure, glucose levels, and electrolytes; early mobilization of patients; and the prevention of complications of stroke, including deep venous thrombosis, depression, malnutrition, and pressure ulcers.

suicide prevention center

A health care facility for preventing suicide by counseling and crisis intervention.

sweat center

Any of the principal centers controlling perspiration located in the hypothalamus; secondary centers are present in the spinal cord.

taste center

Gustatory center.

temperature center

Thermoregulatory center.

thermoregulatory center

A center in the hypothalamus that regulates heat production and heat loss, esp. the latter, so that a normal body temperature is maintained. It is influenced by nerve impulses from cutaneous receptors and by the temperature of the blood flowing through it. Synonym: temperature center

trauma center

A regional hospital capable of providing care for critically injured patients. A surgical team, operating suite, surgical subspecialties, intensive care unit, and specialized nursing team are always available.

vasoconstrictor center

The center in the medulla oblongata that brings about the constriction of blood vessels.

vasodilator center

The center in the medulla oblongata that brings about the dilation of blood vessels.

vasomotor center

The center that controls the diameter of blood vessels; the vasoconstrictor and vasodilator centers.

visual center

A center in the occipital lobes of the cerebrum that receives visual information transmitted from the retina.

vital center

Any of the centers in the medulla concerned with respiration, heart rate, or blood pressure.

cen·ter

(sen'tĕr) [TA] 1. The middle point of a body; loosely, the interior of a body, especially an anatomic center. 2. A group of nerve cells governing a specific function. [L. centrum; G. kentron]

Patient discussion about center

Q. Is fibromyalgia related to Central Nervous System? Is fibromyalgia related to Central Nervous System? Among men and women who is more prone to the symptoms of fibromyalgia?A. here is a quote from the National Fibromyalgia Association site:
"Little research has been conducted that measures the prevalence of fibromyalgia, and estimates vary widely as to the proportion of male versus female patients. A 1999 epidemiology study conducted in London found a female to male ratio of roughly three to one. However, a 2001 review of the research literature in Current Rheumatology Reports stated the ratio was nine to one."

Q. Do you know where can I find alcoholism treatment centers in Forest Grove, Pennsylvania? My stepmother is asking for my help to find an alcoholism treatment center where she can admit her daughter. Sabina, my stepsister has been addicted to alcohol ever since our dad died. Though we weren't very close, I still want her back to her normal state for she's still my sister. Please help me.A. Look in the phone book for AA or Alcoholics Anonymous and call and you will find the best answer for your particular questions. Don't wait.
Pittsburgh Area Central Office
401 Wood Street
Suite 906
Pittsburgh, PA 15222
United States
Phone:(412)471-7472
Fax:(412)471-7476
Site: www.pghaa.org
Email: ofcmgr@pghaa.org

24 Hour Answering Service (Washington, PA)
Washington, PENNSYLVANIA 15301
United States
Phone:(724)225-4188
http://www.theagapecenter.com/AAinUSA/Pennsylvania.htm
521 Club, The - A recovery clubhouse. Hosts Alcoholics Anonymous (AA) meetings. (717) 299-9397 or (717) 509-6920. 2400 Butter Road. Lancaster, Lancaster County, Pennsylvania.
Northeastern Pennsylvania Alcoholics Anonymous - Includes Forest City, Hotline (570) 654-0488.

Q. What happens in rehab centers? How do they “cure” alcoholics and drug addicts? A. REHAB;for alcoholics are the same as rehabs for drugs addicted people--alcohol is a drug,people learn how to deal with ther disease,they learn how to ask for help when they fell like drinking,they learn how to go to meetings everyday,they learn how to stay away from people places and things that remind them of drinking(bars)(friends).rehabs DO NOT CURE YOU they teach you how to cure yourself or stay away from alcohol/drugs---mrfoot56---peace

More discussions about center
FinancialSeeCDC

CENTER


AcronymDefinition
CENTERContinuing Education Network for Training, Enrichment and Renewal (Unitarian Universalist Ministers Association)
CENTERConsolidated Enterprise Network Test and Evaluation Range (USAF; San Antonio, Texas

See CTR

center


Related to center: thesaurus
  • all
  • noun
  • verb
  • adj

Synonyms for center

noun a point or an area equidistant from all sides of something

Synonyms

  • median
  • middle
  • midpoint
  • midst

noun a place of concentrated activity, influence, or importance

Synonyms

  • focus
  • headquarters
  • heart
  • hub
  • seat

noun a point of origin from which ideas or influences, for example, originate

Synonyms

  • bottom
  • core
  • focus
  • heart
  • hub
  • quick
  • root

verb to direct toward a common center

Synonyms

  • channel
  • concentrate
  • converge
  • focalize
  • focus

adj at, in, near, or being the center

Synonyms

  • central
  • medial
  • median
  • mid
  • middle

Synonyms for center

noun an area that is approximately central within some larger region

Synonyms

  • middle
  • centre
  • eye
  • heart

Related Words

  • area
  • country
  • center stage
  • centre stage
  • central city
  • city center
  • city centre
  • storm center
  • storm centre
  • financial center
  • hub
  • inner city
  • medical center
  • midfield
  • seat
  • midstream

noun the piece of ground in the outfield directly ahead of the catcher

Synonyms

  • center field
  • centerfield

Related Words

  • outfield
  • parcel of land
  • piece of ground
  • piece of land
  • tract
  • parcel

noun a building dedicated to a particular activity

Synonyms

  • centre

Related Words

  • building
  • edifice
  • burn center
  • call center
  • call centre
  • civic center
  • community center
  • conference center
  • conference house
  • control center
  • research center
  • research facility
  • service club
  • settlement house
  • student center

noun a point equidistant from the ends of a line or the extremities of a figure

Synonyms

  • midpoint
  • centre

Related Words

  • bight
  • center of curvature
  • centre of curvature
  • bowels
  • bull's eye
  • bull
  • center of gravity
  • centre of gravity
  • center of mass
  • centre of mass
  • core
  • navel point
  • navel
  • nombril
  • point
  • nucleus

noun the choicest or most essential or most vital part of some idea or experience

Synonyms

  • essence
  • heart and soul
  • inwardness
  • nitty-gritty
  • pith
  • substance
  • gist
  • kernel
  • nub
  • meat
  • sum
  • core
  • heart
  • marrow
  • centre

Related Words

  • cognitive content
  • mental object
  • content
  • bare bones
  • hypostasis
  • haecceity
  • quiddity
  • quintessence
  • stuff

noun the object upon which interest and attention focuses

Synonyms

  • center of attention
  • centre of attention
  • centre

Related Words

  • object
  • conversation piece
  • crosshairs
  • cynosure
  • eye-catcher

noun a cluster of nerve cells governing a specific bodily process

Synonyms

  • nerve center
  • nerve centre
  • centre

Related Words

  • neural structure
  • auditory center
  • olfactory brain
  • rhinencephalon
  • Broca's area
  • Broca's center
  • Broca's convolution
  • Broca's gyrus
  • convolution of Broca
  • Wernicke's area
  • Wernicke's center
  • superior colliculus
  • inferior colliculus
  • respiratory center

noun the middle of a military or naval formation

Related Words

  • armed forces
  • armed services
  • military
  • military machine
  • war machine
  • formation

noun (basketball) the person who plays center on a basketball team

Related Words

  • basketball
  • basketball game
  • hoops
  • basketball player
  • basketeer
  • cager

noun (football) the person who plays center on the line of scrimmage and snaps the ball to the quarterback

Synonyms

  • snapper

Related Words

  • football
  • football game
  • lineman

noun a place where some particular activity is concentrated

Synonyms

  • centre

Related Words

  • place
  • property
  • nerve center
  • nerve centre
  • capital

noun politically moderate persons

Related Words

  • social class
  • socio-economic class
  • stratum
  • class
  • centrist
  • middle of the roader
  • moderate
  • moderationist

noun (ice hockey) the person who plays center on a hockey team

Related Words

  • hockey game
  • ice hockey
  • hockey
  • hockey player
  • ice-hockey player

noun the sweet central portion of a piece of candy that is enclosed in chocolate or some other covering

Synonyms

  • centre

Related Words

  • confection
  • sweet
  • chocolate candy

noun mercantile establishment consisting of a carefully landscaped complex of shops representing leading merchandisers

Synonyms

  • shopping center
  • shopping centre
  • shopping mall
  • mall
  • plaza

Related Words

  • food court
  • mercantile establishment
  • outlet
  • retail store
  • sales outlet

noun the position on a hockey team of the player who participates in the face off at the beginning of the game

Related Words

  • position
  • hockey team

noun (American football) the position of the player on the line of scrimmage who puts the ball in play

Related Words

  • lineman
  • football team
  • eleven

noun a position on a basketball team of the player who participates in the jump that starts the game

Related Words

  • position
  • basketball team
  • five

verb center upon

Synonyms

  • center on
  • concentrate on
  • focus on
  • revolve about
  • revolve around

Related Words

  • concern
  • have to do with
  • pertain
  • bear on
  • come to
  • touch on
  • refer
  • relate
  • touch

verb direct one's attention on something

Synonyms

  • focus
  • pore
  • rivet
  • centre
  • concentrate

Related Words

  • engross
  • engulf
  • steep
  • soak up
  • immerse
  • absorb
  • plunge
  • cerebrate
  • cogitate
  • think
  • rivet
  • recall
  • zoom in
  • take heed
  • listen
  • hear

verb move into the center

Synonyms

  • centre

Related Words

  • move
  • displace
  • center
  • center on
  • concentrate on
  • focus on
  • revolve about
  • revolve around

adj equally distant from the extremes

Synonyms

  • halfway
  • midway
  • middle

Related Words

  • central

adj of or belonging to neither the right nor the left politically or intellectually

Antonyms

  • left
  • right
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