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单词 cylinder
释义

cylinder


cylinderTo calculate the volume of a right circular cylinder, multiply the area of the base by the altitude.

cyl·in·der

C0838000 (sĭl′ən-dər)n.1. Mathematics a. The surface generated by a straight line intersecting and moving along a closed plane curve, the directrix, while remaining parallel to a fixed straight line that is not on or parallel to the plane of the directrix.b. The portion of such a surface bounded by two parallel planes and the regions of the planes bounded by the surface.c. A solid bounded by two parallel planes and such a surface, especially such a surface having a circle as its directrix.2. A cylindrical container or object.3. Engineering a. The chamber in which a piston of a reciprocating engine moves.b. The chamber of a pump from which fluid is expelled by a piston.4. The rotating chamber of a revolver that holds the cartridges.5. Any of several rotating parts in a printing press, especially one that carries the paper.6. Archaeology A cylindrical stone or clay object with an engraved design or inscription.
[Latin cylindrus, from Greek kulindros, from kulindein, to roll.]

cylinder

(ˈsɪlɪndə) n1. (Mathematics) a solid consisting of two parallel planes bounded by identical closed curves, usually circles, that are interconnected at every point by a set of parallel lines, usually perpendicular to the planes. Volume base area × length2. (Mathematics) a surface formed by a line moving round a closed plane curve at a fixed angle to it3. any object shaped like a cylinder4. (General Engineering) the chamber in a reciprocating internal-combustion engine, pump, or compressor within which the piston moves. See also cylinder block5. (Firearms, Gunnery, Ordnance & Artillery) the rotating mechanism of a revolver, situated behind the barrel and containing cartridge chambers6. (Printing, Lithography & Bookbinding) printing any of the rotating drums on a printing press7. (Archaeology) Also called: cylinder seal a cylindrical seal of stone, clay, or precious stone decorated with linear designs, found in the Middle East and Balkans: dating from about 6000 bc8. (Building) Also called: hot-water cylinder Brit a vertical cylindrical tank for storing hot water, esp an insulated one made of copper used in a domestic hot-water system9. firing on all cylinders working or performing at full capabilityvb (Mechanical Engineering) (tr) to provide (a system) with cylinders[C16: from Latin cylindrus, from Greek kulindros a roller, from kulindein to roll] ˈcylinder-ˌlike adj

cyl•in•der

(ˈsɪl ɪn dər)

n. 1. a surface or solid bounded by two parallel planes and generated by a straight line moving parallel to the given planes and tracing a curve bounded by the planes and lying in a plane perpendicular or oblique to them. 2. any cylinderlike object or part, whether solid or hollow. 3. the rotating part of a revolver, containing the chambers for the cartridges. 4. a cylindrical chamber in a pump in which a piston slides to move or compress a fluid. 5. a cylindrical chamber in an engine in which the pressure of a gas or liquid moves a sliding piston. 6. (in printing presses) a. a rotating cylinder that produces the impression and under which a flat form to be printed from passes. b. either of two cylinders, one carrying a curved form or plate to be printed from, that rotate against each other in opposite directions. 7. a cylindrical device in a lock that retains the bolt until tumblers have been pushed out of its way. 8. a cylindrical or barrel-shaped stone or clay object with inscriptions or carvings, worn by the Babylonians, Assyrians, and kindred peoples as a seal or amulet. v.t. 9. to furnish with a cylinder or cylinders. 10. to subject to the action of a cylinder. [1560–70; < Latin cylindrus < Greek kýlindros roller, cylinder, akin to kylíndein to roll]
cylinderThe volume (V) of a cylinder can be calculated using the following equation: V = πr2h.

cyl·in·der

(sĭl′ən-dər) A three-dimensional surface or solid object bounded by a curved surface and two parallel circles of equal size at the ends. The curved surface is formed by all the line segments joining corresponding points of the two parallel circles.

cylinder


Past participle: cylindered
Gerund: cylindering
Imperative
cylinder
cylinder
Present
I cylinder
you cylinder
he/she/it cylinders
we cylinder
you cylinder
they cylinder
Preterite
I cylindered
you cylindered
he/she/it cylindered
we cylindered
you cylindered
they cylindered
Present Continuous
I am cylindering
you are cylindering
he/she/it is cylindering
we are cylindering
you are cylindering
they are cylindering
Present Perfect
I have cylindered
you have cylindered
he/she/it has cylindered
we have cylindered
you have cylindered
they have cylindered
Past Continuous
I was cylindering
you were cylindering
he/she/it was cylindering
we were cylindering
you were cylindering
they were cylindering
Past Perfect
I had cylindered
you had cylindered
he/she/it had cylindered
we had cylindered
you had cylindered
they had cylindered
Future
I will cylinder
you will cylinder
he/she/it will cylinder
we will cylinder
you will cylinder
they will cylinder
Future Perfect
I will have cylindered
you will have cylindered
he/she/it will have cylindered
we will have cylindered
you will have cylindered
they will have cylindered
Future Continuous
I will be cylindering
you will be cylindering
he/she/it will be cylindering
we will be cylindering
you will be cylindering
they will be cylindering
Present Perfect Continuous
I have been cylindering
you have been cylindering
he/she/it has been cylindering
we have been cylindering
you have been cylindering
they have been cylindering
Future Perfect Continuous
I will have been cylindering
you will have been cylindering
he/she/it will have been cylindering
we will have been cylindering
you will have been cylindering
they will have been cylindering
Past Perfect Continuous
I had been cylindering
you had been cylindering
he/she/it had been cylindering
we had been cylindering
you had been cylindering
they had been cylindering
Conditional
I would cylinder
you would cylinder
he/she/it would cylinder
we would cylinder
you would cylinder
they would cylinder
Past Conditional
I would have cylindered
you would have cylindered
he/she/it would have cylindered
we would have cylindered
you would have cylindered
they would have cylindered
Thesaurus
Noun1.cylinder - a solid bounded by a cylindrical surface and two parallel planes (the bases)roll - anything rolled up in cylindrical formroller - a cylinder that revolvessolid - a three-dimensional shape
2.cylinder - a surface generated by rotating a parallel line around a fixed linebrake drum, drum - a hollow cast-iron cylinder attached to the wheel that forms part of the brakesshank - cylinder forming the part of a bit by which it is held in the drillshank - cylinder forming the part of a bolt between the thread and the headshank, stem - cylinder forming a long narrow part of somethingstalactite - a cylinder of calcium carbonate hanging from the roof of a limestone cavestalagmite - a cylinder of calcium carbonate projecting upward from the floor of a limestone caveround shape - a shape that is curved and without sharp anglesbarrel, drum - a bulging cylindrical shape; hollow with flat endspipe, tube - a hollow cylindrical shape
3.cylinder - a chamber within which piston movespiston chamberbrake cylinder, hydraulic brake cylinder, master cylinder - a cylinder that contains brake fluid that is compressed by a pistonchamber - a natural or artificial enclosed spacecompressor - a mechanical device that compresses gassescylinder block, engine block, block - a metal casting containing the cylinders and cooling ducts of an engine; "the engine had to be replaced because the block was cracked"intake valve - a valve that controls the flow of fluid through an intakepump - a mechanical device that moves fluid or gas by pressure or suction
4.cylinder - a cylindrical container for oxygen or compressed aircylinder - a cylindrical container for oxygen or compressed airaqualung, Aqua-Lung, scuba - a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatuscontainer - any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another)
Translations
圆柱体圆筒圆筒容器机器的机筒汽车的汽缸

cylinder

(ˈsilində) noun1. a solid shape or object with a circular base and top and straight sides. 圓筒，圓柱体 圆筒，圆柱体 2. any of several pieces of machinery of this shape, solid or hollow. The brake cylinder of his car is leaking. 汽車的汽缸 机器的机筒，汽车的汽缸 3. a container in the shape of a cylinder. two cylinders of oxygen. 筒狀容器 筒状容器cyˈlindrical adjective shaped like a cylinder. A beer-can is cylindrical. 筒狀的 筒状的

cylinder

→ 圆筒容器zhCN

cylinder


fire on all cylinders

1. To have all cylinders in an engine functioning. There's something wrong with my car—it's definitely not firing on all cylinders.2. To function or operate at the most desirable or greatest possible level of efficiency, speed, or productivity. (Usually used in the continuous tense.) The new website will be firing on all cylinders once we get the comments section up and running! I only fire on all cylinders after I've had my coffee.See also: all, cylinder, fire, on

hit on all cylinders

To operate, perform, function, or proceed exceptionally well or at the greatest possible speed or efficiency. We'll be hitting on all cylinders if we get Janet to join our team.See also: all, cylinder, hit, on

cylinder head

The metal casing that fits onto a cylinder block in an internal-combustion engine. A: "Did dad say what's wrong with the car?" B: "I don't know, something about needing to fix the cylinder head, whatever that means!"See also: cylinder, head

be firing on all cylinders

To be functioning or operating at the most desirable or greatest possible level of efficiency, speed, or productivity. The automated messaging process is firing on all cylinders now that we've solved the bouncing issue. I'll be firing on all cylinders after I've had my coffee.See also: all, cylinder, firing, on

be hitting on all cylinders

To be functioning or operating at the most desirable or greatest possible level of efficiency, speed, or productivity. The automated messaging process is hitting on all cylinders now that we've solved the bouncing issue. I'll be hitting on all cylinders after I've had my coffee.See also: all, cylinder, hit, on

work on all cylinders

1. To have all cylinders in an engine functioning. There's something wrong with my car—it's definitely not working on all cylinders.2. By extension, to function or operate at the most desirable or greatest possible level of efficiency, speed, or productivity. (Usually used in the continuous tense.) The new website will be working on all cylinders once we get the comments section up and running! I only work on all cylinders after I've had my coffee.See also: all, cylinder, on, work

fire on all four cylinders

To function or operate at the most desirable or greatest possible level of efficiency, speed, or productivity. (Usually used in the continuous tense.) The phrase alludes to the cylinders in an engine. The new website will be firing on all four cylinders once we get the comments section up and running! I only fire on all four cylinders after I've had my coffee.See also: all, cylinder, fire, four, on

run on all cylinders

1. To have all cylinders in an engine functioning. There's something wrong with my car—it's definitely not running on all cylinders.2. By extension, to function or operate at the most desirable or greatest possible level of efficiency, speed, or productivity. (Usually used in the continuous tense.) The new website will be running on all cylinders once we get the comments section up and running! I only run on all cylinders after I've had my coffee.See also: all, cylinder, on, run

firing on all cylinders

 and hitting on all cylinders 1. Lit. [of an internal combustion engine] having all its cylinders working and thus providing the maximum amount of power. The old car is firing on all cylinders despite its age. This thing's not hitting on all cylinders. 2. Fig. working at full strength; making every possible effort. The team is firing on all cylinders under the new coach. The factory is hitting on all cylinders to finish the orders on time.See also: all, cylinder, firing, on

run on all cylinders

 1. Lit. [for an engine] to run well and smoothly. This car is now running on all cylinders, thanks to the tune-up. You can hear if an engine is not running on all cylinders. 2. Fig. to function well or energetically. Our department seems to be running on all cylinders. Congratulations. I am back at my desk after my illness—running on all cylinders.See also: all, cylinder, on, run

fire on all cylinders

Also, hit or click on all cylinders . Function very well, as in Once we figured out how to use the new software, the department was firing on all cylinders , or "So the best infielder takes time to fit into the infield of a Big League club and have it hit on all four cylinders again" (Christy Mathewson, Pitching in a Pinch, 1912). This term transfers the functioning of an internal combustion engine, which works best when all its cylinders ignite, to broader use. [Early 1900s] See also: all, cylinder, fire, on

be firing on all cylinders

COMMON If someone is firing on all cylinders, they are doing a task with great enthusiasm and energy. I saw her a few weeks ago and she was firing on all cylinders. When Wales are firing on all cylinders, they can beat any country in the world. Note: If someone is not doing a task as well as they should be, you can say that they are not firing on all cylinders or are only firing on two cylinders. We were only firing on two cylinders in the first half of the game. Note: This expression refers to the cylinders in an engine. There are usually four of them. See also: all, cylinder, firing, on

firing on all (four) cylinders

working or functioning at a peak level. This expression is a metaphor from an internal-combustion engine: a cylinder is said to be firing when the fuel inside it is ignited. 1998 Entertainment Weekly Even when his imagination isn't firing on all cylinders, Amis is still worth picking up, if only to enjoy the jazzy rhythm of his prose. See also: all, cylinder, firing, on

firing/working on all ˈcylinders

(informal) using all your energy to do something; working as well as possible: The 24-year-old player feels that he is not yet firing on all cylinders.See also: all, cylinder, firing, on, working

run on all cylinders

1. in. to run well and smoothly. My plan is now running on all cylinders. 2. in. to operate sensibly and intelligently. Pay attention to what you are doing. Start running on all cylinders. See also: all, cylinder, on, run

fire on all cylinders

Go all out. The term comes from automobiles, where it means all of a car’s cylinders have been ignited and the engine is fully powered. It has been used figuratively since the second half of the 1900s, as in “That was a great speech; he was really firing on all cylinders.” See also pull out all the stops. See also: all, cylinder, fire, on

cylinder


cylinder,

in mathematics, surface generated by a line moving parallel to a given fixed line and continually intersecting a given fixed curve called the directrix; each line of the family of lines forming the cylinder is called a ruling, or generator. If the directrix is a conic sectionconic section
or conic
, curve formed by the intersection of a plane and a right circular cone (conical surface). The ordinary conic sections are the circle, the ellipse, the parabola, and the hyperbola.
..... Click the link for more information.  (e.g., a circle or a parabola), the cylinder is called a quadric cylinder. The commonest type of cylinder is the right circular cylinder, in which the directrix is a circle and the lines forming the cylinder are all perpendicular to the plane of the circle. The solid bounded by a cylindrical surface and two parallel planes intersecting the surface in closed curves is also called a cylinder. The perpendicular distance between the planes is the altitude of the cylinder. The volume of the cylinder is equal to the product of the altitude and the area of the base (the area enclosed by either closed curve).

Cylinder

 

a machine component with a cylindrical chamber in which a piston or plunger can move, thereby changing the volume of the compartment formed on either side of the piston or plunger.

In a cylinder, the energy of a working substance (steam or a fuel-air mixture), which exerts pressure on the piston, may be converted into the energy of the piston motion, as in the case of heat engines; alternatively, the energy of the piston motion may be converted into the energy of a liquid or gas, as in the case of pumps or compressors. If the compartment formed on one side of the piston is used, the cylinder is sealed at one end by a head cover. However, if the compartments formed on both sides of the piston are used, two head covers are provided, along with a push-rod that connects the piston to a slide block.

In reciprocating hydraulic and pneumatic drives—such as those used in metalcutting machine tools, presses, and hoists—and in certain reciprocating engines, the cylinder is a single component. In multicylinder reciprocating engines—for example, internal-combustion engines—the cylinders are frequently housed together in a cylinder block, where they may be arranged in a line (an in-line engine), at an angle (a V-engine), or opposite one another (an opposed-cylinder engine). In pumps and in rotary variable-speed hydraulic engines, the cylinders are often located in the rotor and are arranged radially or parallel to the axis of the rotor.

N. IA. NIBERG

Cylinder

 

a body bounded by a closed cylindrical surface and two parallel planes that intersect the cylindrical surface. The two parallel planes are called the bases of the cylinder. If the bases are perpendicular to the elements, the cylinder is a right cylinder. In particular, if the bases are circles, the cylinder is a right circular, or circular, cylinder; such a cylinder is often referred to simply as a cylinder. The volume of a right circular cylinder is V = πr2h, and the lateral area is S = 2πrh, where r is the radius of the base and h is the altitude of the cylinder. [28–1678–1 ]

cylinder

[′sil·ən·dər] (civil engineering) A steel tube 10-60 inches (25-152 centimeters) in diameter with a wall at least ⅛ inch (3 millimeters) thick that is driven into bedrock, excavated inside, filled with concrete, and used as a pile foundation. A domed, closed tank for storing hot water to be drawn off at taps. Also known as storage calorifier. (computer science) The virtual cylinder represented by the tracks of equal radius of a set of disks on a disk drive. seek area (engineering) A container used to hold and transport compressed gas for various pressurized applications. The piston chamber in a pump from which the liquid is expelled. (mathematics) A solid bounded by a cylindrical surface and two parallel planes, or the surface of such a solid. cylindrical surface (mechanical engineering) engine cylinder

cylinder

In a lock, the cylindrically shaped assembly containing the tumbler mechanism and the keyway, which can be actuated only by the correct keys.

cylinder

1. Maths a solid consisting of two parallel planes bounded by identical closed curves, usually circles, that are interconnected at every point by a set of parallel lines, usually perpendicular to the planes. Volume base area × length. 2. a surface formed by a line moving round a closed plane curve at a fixed angle to it 3. Engineering the chamber in a reciprocating internal-combustion engine, pump, or compressor within which the piston moves 4. Archaeology a cylindrical seal of stone, clay, or precious stone decorated with linear designs, found in the Middle East and Balkans: dating from about 6000 bc

cylinder

(storage)The set of tracks on a multi-headed disk thatmay be accessed without head movement. That is, thecollection of disk tracks which are the same distance from thespindle about which the disks rotate. Each such group formsthe shape of a cylinder. Placing data that are likely to beaccessed together in cylinders reduces the accesssignificantly as head movement (seeking) is slow compared todisk rotation and switching between heads.

cylinder

The aggregate of all tracks that reside in the same location on every disk surface. On multiple-platter disks, the cylinder is the sum total of every track with the same track number on every surface. On a floppy disk, a cylinder comprises the top and corresponding bottom track.

When storing data, the operating system fills an entire cylinder before moving to the next one. The access arm remains stationary until all the tracks in the cylinder have been read or written.


Cylinder
The cylinder is the aggregate of the same track number on every platter used for recording.

cylinder


cyl·in·der (cyl., C),

(sil'in-der), 1. 2. A cylindric or rodlike renal cast. 3. A cylindric metal container for gases stored under high pressure. [G. kylindros, a roll]

cyl·in·der

(C) (sil'in-dĕr) 1. A cylindric lens2. A cylindric or rodlike renal cast. 3. A cylindric metal container for gases stored under high pressure. [G. kylindros, a roll]

Cylinder


Cylinder

A series of two transactions involving derivatives in which there is no initial cost to the investor. A common example of a cylinder is the sale of one derivative and the use of the proceeds to buy another. It is similar to a positive carry, but does not necessarily involve offsetting positions.
AcronymsSeeCHS

cylinder


  • noun

Synonyms for cylinder

noun a solid bounded by a cylindrical surface and two parallel planes (the bases)

Related Words

  • roll
  • roller
  • solid

noun a surface generated by rotating a parallel line around a fixed line

Related Words

  • brake drum
  • drum
  • shank
  • stem
  • stalactite
  • stalagmite
  • round shape
  • barrel
  • pipe
  • tube

noun a chamber within which piston moves

Synonyms

  • piston chamber

Related Words

  • brake cylinder
  • hydraulic brake cylinder
  • master cylinder
  • chamber
  • compressor
  • cylinder block
  • engine block
  • block
  • intake valve
  • pump

noun a cylindrical container for oxygen or compressed air

Related Words

  • aqualung
  • Aqua-Lung
  • scuba
  • container
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更新时间：2024/11/11 18:49:08