单词 | function |
释义 | function (once / 149 pages) 1nv 2n 3n 4n In the old "Schoolhouse Rock" song, "Conjunction junction, what's your function?," the word function means, "What does a conjunction do?" The famous design dictum "form follows function" tells us that an object's design should reflect what it does. Function is one of those words that gets used a lot and means lots of different things. It means what something does, but also what a person does, whether something or someone is doing what they should, and crazily enough, a big party. "Your function is to bring the senator coffee at the political function. He cannot function without it." WORD FAMILYfunction: disfunction, functional, functionary, functioned, functioning, functions, misfunction+/functional: functionalism, functionality, functionally, nonfunctional, unfunctional/functionalism: functionalist/functionalist: functionalists/functionality: functionalities/functionary: functionaries/functioning: functionings/misfunction: misfunctioned, misfunctioning USAGE EXAMPLESLouis is not the first celebrity with an app, and the sales and communication functions of his app are not particularly unique. Salon(Jan 02, 2017) These complex processes may pass unnoticed by the driver, but their uninterrupted functioning is crucial. The Guardian(Jan 02, 2017) It’s absurd how many cars and trucks are driving with only one functioning headlight. Seattle Times(Jan 02, 2017) 1 1n what something is used for the function of an auger is to bore holes Syn|Hypo|Hyper purpose, role, use raison d'etre the purpose that justifies a thing's existence usefulness, utility the quality of being of practical use 2n the actions and activities assigned to or required or expected of a person or group the function of a teacher Syn|Hypo|Hyper office, part, role capacity a specified function hatan informal term for a person's role portfoliothe role of the head of a government department lieu, place, position, steadthe post or function properly or customarily occupied or served by another second fiddlea secondary role or function behalfas the agent of or on someone's part (usually expressed as "on behalf of" rather than "in behalf of") duty work that you are obliged to perform for moral or legal reasons 3v serve a purpose, role, or function The table functions as a desk Syn|Hypo|Hyper serve serve, service be used by; as of a utility prelude serve as a prelude or opening to act asfunction as or act like answer, do, serve, suffice be sufficient; be adequate, either in quality or quantity 4v perform as expected when applied Syn|Ant|Hypo go, operate, run, work run be operating, running or functioning workoperate in or through malfunction, misfunction fail to function or function improperly double do double duty; serve two purposes or have two functions rollbegin operating or running runbe operating, running or functioning cutfunction as a cutting instrument serve, servicebe used by; as of a utility 5v perform duties attached to a particular office or place or function 2Syn|Hyper officiate serve do duty or hold offices; serve in a specific function 1n a relation such that one thing is dependent on another height is a function of age price is a function of supply and demand Hyper relation an abstraction belonging to or characteristic of two entities or parts together 2n (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function) 3Syn|Hypo|Hyper map, mapping, mathematical function, single-valued function multinomial, polynomial a mathematical function that is the sum of a number of terms expansiona function expressed as a sum or product of terms inverse functiona function obtained by expressing the dependent variable of one function as the independent variable of another; f and g are inverse functions if f(x)=y and g(y)=x Kronecker deltaa function of two variables i and j that equals 1 when i=j and equals 0 otherwise metric, metric functiona function of a topological space that gives, for any two points in the space, a value equal to the distance between them transformation(mathematics) a function that changes the position or direction of the axes of a coordinate system isometrya one-to-one mapping of one metric space into another metric space that preserves the distances between each pair of points operator(mathematics) a symbol or function representing a mathematical operation circular function, trigonometric functionfunction of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle threshold functiona function that takes the value 1 if a specified function of the arguments exceeds a given threshold and 0 otherwise exponential, exponential functiona function in which an independent variable appears as an exponent biquadratic, biquadratic polynomial, quartic polynomiala polynomial of the fourth degree homogeneous polynomiala polynomial consisting of terms all of the same degree monic polynomiala polynomial in one variable quadratic, quadratic polynomiala polynomial of the second degree series(mathematics) the sum of a finite or infinite sequence of expressions reflection(mathematics) a transformation in which the direction of one axis is reversed rotation(mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin translation(mathematics) a transformation in which the origin of the coordinate system is moved to another position but the direction of each axis remains the same affine transformation(mathematics) a transformation that is a combination of single transformations such as translation or rotation or reflection on an axis linear operatoran operator that obeys the distributive law: A(f+g) = Af + Ag (where f and g are functions) identity, identity element, identity operatoran operator that leaves unchanged the element on which it operates sin, sineratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle arc sine, arcsin, arcsine, inverse sinethe inverse function of the sine; the angle that has a sine equal to a given number cos, cosineratio of the adjacent side to the hypotenuse of a right-angled triangle arc cosine, arccos, arccosine, inverse cosinethe inverse function of the cosine; the angle that has a cosine equal to a given number tan, tangentratio of the opposite to the adjacent side of a right-angled triangle arc tangent, arctan, arctangent, inverse tangentthe inverse function of the tangent; the angle that has a tangent equal to a given number cotan, cotangentratio of the adjacent to the opposite side of a right-angled triangle arc cotangent, arccotangent, inverse cotangentthe inverse function of the cotangent; the angle that has a cotangent equal to a given number sec, secantratio of the hypotenuse to the adjacent side of a right-angled triangle arc secant, arcsec, arcsecant, inverse secantthe inverse function of the secant; the angle that has a secant equal to a given number cosec, cosecantratio of the hypotenuse to the opposite side of a right-angled triangle arc cosecant, arccosecant, inverse cosecantthe angle that has a cosecant equal to a given number mathematical relation a relation between mathematical expressions (such as equality or inequality) 1n a formal or official social gathering or ceremony it was a black-tie function Hyper social affair, social gathering a gathering for the purpose of promoting fellowship 2n a vaguely specified social event 4a seemingly endless round of social functions Syn|Hypo|Hyper affair, occasion, social function, social occasion party an occasion on which people can assemble for social interaction and entertainment celebration, jubilationa joyful occasion for special festivities to mark some happy event ceremonial, ceremonial occasion, ceremony, observancea formal event performed on a special occasion fundraisera social function that is held for the purpose of raising money photo op, photo opportunityan occasion that lends itself to (or is deliberately arranged for) taking photographs that provide favorable publicity for those who are photographed sleepoveran occasion of spending a night away from home or having a guest spend the night in your home (especially as a party for children) bash, brawl, doan uproarious party birthday partya party held on the anniversary of someone's birth bun-fight, bunfight(Briticism) a grand formal party on an important occasion ceilidhan informal social gathering at which there is Scottish or Irish folk music and singing and folk dancing and story telling cocktail partyan afternoon party at which cocktails are served dancea party for social dancing feast, fete, fiestaan elaborate party (often outdoors) house partya party lasting over one or more nights at a large house jollya happy party tea partya party at which tea is served whist drivea progressive whist party circumstanceformal ceremony about important occasions funerala ceremony at which a dead person is buried or cremated hymeneals, nuptials, wedding, wedding ceremonythe social event at which the ceremony of marriage is performed pageant, pageantrya rich and spectacular ceremony dedicationa ceremony in which something (as a building) is dedicated to some goal or purpose openinga ceremony accompanying the start of some enterprise commemoration, memorialisation, memorializationa ceremony to honor the memory of someone or something military ceremonya formal ceremony performed by military personnel induction, initiation, installationa formal entry into an organization or position or office exercise(usually plural) a ceremony that involves processions and speeches fire walkingthe ceremony of walking barefoot over hot stones or a bed of embers formalities, formalitya requirement of etiquette or custom Maundya public ceremony on Maundy Thursday when the monarch distributes Maundy money potlatcha ceremonial feast held by some Indians of the northwestern coast of North America (as in celebrating a marriage or a new accession) in which the host gives gifts to tribesmen and others to display his superior wealth (sometimes, formerly, to his own impoverishment) social event an event characteristic of persons forming groups n a set sequence of steps, part of larger computer program Syn|Hypo|Hyper procedure, routine, subprogram, subroutine cataloged procedure a set of control statements that have been placed in a library and can be retrieved by name contingency procedurean alternative to the normal procedure; triggered if an unusual but anticipated situation arises library routinea debugged routine that is maintained in a program library random number generatora routine designed to yield a random number recursive routinea routine that can call itself reusable routinea routine that can be loaded once and executed repeatedly executive routine, supervisory routinea routine that coordinates the operation of subroutines tracing routinea routine that provides a chronological record of the execution of a computer program service routine, utility routinea routine that can be used as needed dump routinea routine that writes from an internal store to some external medium input routinea routine that writes from an external source to an internal store output routinea routine that controls an output device computer software, package, software, software package, software program, software system (computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory |
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