| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024func•tion /ˈfʌŋkʃən/USA pronunciation n. - action or activity thought of as proper to a person, thing, or institution;
role:[countable]The function of the kidneys is to purify the blood. - a ceremonious public or social gathering or occasion:[countable]a charity function.
- a factor related to or dependent upon other factors:[countable]Price is a function of supply and demand.
- the way something works or operates:[uncountable]They were testing him for heart function.
v. [no object] - to operate:The computer isn't functioning now.
- to have or exercise a function;
serve:Let me function as your guide.
See -funct-. WordReference Random House Unabridged Dictionary of American English © 2024func•tion (fungk′shən),USA pronunciation n. - the kind of action or activity proper to a person, thing, or institution;
the purpose for which something is designed or exists;
role. - any ceremonious public or social gathering or occasion.
- a factor related to or dependent upon other factors:Price is a function of supply and demand.
- Mathematics
- Also called correspondence, map, mapping, transformation. a relation between two sets in which one element of the second set is assigned to each element of the first set, as the expression y = x2;
operator. - Also called multiple-value function. a relation between two sets in which two or more elements of the second set are assigned to each element of the first set, as y2 = x2, which assigns to every x the two values y = +x and y = -x.
- a set of ordered pairs in which none of the first elements of the pairs appears twice.
- Mathematics[Geom.]
- a formula expressing a relation between the angles of a triangle and its sides, as sine or cosine.
- See hyperbolic function.
- Grammar
- the grammatical role a linguistic form has or the position it occupies in a particular construction.
- the grammatical roles or the positions of a linguistic form or form class collectively.
- Sociologythe contribution made by a sociocultural phenomenon to an ongoing social system.
v.i. - to perform a specified action or activity;
work;
operate:The computer isn't functioning now. He rarely functions before noon. - to have or exercise a function;
serve:In earlier English the present tense often functioned as a future. This orange crate can function as a chair.
- Latin functiōn- (stem of functiō) a performance, execution, equivalent. to funct(us) (past participle of fungī) performed, executed + -iōn- -ion
- 1525–35
Collins Concise English Dictionary © HarperCollins Publishers:: function /ˈfʌŋkʃən/ n - the natural action or intended purpose of a person or thing in a specific role: the function of a hammer is to hit nails into wood
- an official or formal social gathering or ceremony
- a factor dependent upon another or other factors
Also called: map, mapping a relation between two sets that associates a unique element (the value) of the second (the range) with each element (the argument) of the first (the domain): a many-one relation. Symbol: f(x) The value of f(x) for x = 2 is f(2)
vb (intransitive)- to operate or perform as specified; work properly
- (followed by as) to perform the action or role (of something or someone else): a coin may function as a screwdriver
Etymology: 16th Century: from Latin functiō, from fungī to perform, discharge |