- 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.
- a formula expressing a relation between the angles of a triangle and its sides, as sine or cosine.
- hyperbolic function.
- 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.
verb (used without object)
Origin of function
Related Words for functioningfunctional, working, running, going, operating, operative, duty, task, behavior, activity, action, performance, operational, useful
Examples from the Web for functioning
Contemporary Examples of functioning
Common sense is not a just a normative judgment about wisdom, but a structural feature of any functioning organization.Red Tape Is Strangling Good Samaritans
Philip K. Howard
December 27, 2014
Most people could agree on whether a given configuration of materials is a functioning vehicle or a useless set of parts.The Birth of the Novel
November 27, 2014
It is entirely possible for some of these mechanisms to be functioning while others have ceased.
There are conditions where the heart and many other organs are functioning relatively well, but the brain is very ill.
Thailand has had a lousy track record with functioning democracy for many decades.‘The Hunger Games’ Stars Silent on Thai Protesters
November 21, 2014
Historical Examples of functioning
It permeates them all, and renders possible all life activity and functioning.The Human Aura
Yet the core, or the vital, functioning part of a concept is its meaning.The Mind and Its Education
George Herbert Betts
Of the five senses, four have their functioning in the face-region.Fantasia of the Unconscious
D. H. Lawrence
He dwelt precisely and at length upon the functioning of everything he had seen.Spacehounds of IPC
Edward Elmer Smith
Little areas of brightness, of functioning; then dimness, then the deep.Christmas
Word Origin for function
1530s, "proper work or purpose," from Middle French fonction (16c.) and directly from Latin functionem (nominative functio) "performance, execution," noun of action from functus, past participle of fungi "perform, execute, discharge," from PIE root *bheug- (2) "to use, enjoy" (see brook (v.)). Use in mathematics probably begun by Leibnitz (1692).
1856, from function (n.). Related: Functioned; functioning.
In mathematics, a quantity whose value is determined by the value of some other quantity. For example, “The yield of this field is a function of the amount of fertilizer applied” means that a given amount of fertilizer will yield an amount of whatever crop is growing.