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
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, mappinga 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)
(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
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