- 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)
- functio laesa,
- function creep,
- function key,
- function shift,
- function space,
- function word
Origin of function
Examples from the Web for function
Openness might be a function of sexuality and gender, as well.Coming Out Kinky to Your Doctor, in Black and Blue|Heather Boerner|October 25, 2014|DAILY BEAST
We were just about ready to function in a limited capacity.How to Save Silent Movies: Inside New Jersey’s Cinema Paradiso|Rich Goldstein|October 2, 2014|DAILY BEAST
Fast forward two centuries, and all these checks have long since ceased to function.
Between work and books and movies and family and boyfriends, I do not understand how they function.Inside the Mind of The Mindy Project’s Resident Weirdo, Ike Barinholtz|Kevin Fallon|September 16, 2014|DAILY BEAST
That includes supplies and roads and buildings that function as well as smart and able people to provide the care.
It is needless to say that the peanut party is strictly a "hen" function.Cupology|Clara
It is curious to find that in 1821 the function of the hospital as a school for students of medicine was something of a novelty.Springtime and Other Essays|Francis Darwin
Moreover, the ability to perform miracles is but a function of spirituality.Carmen Ariza|Charles Francis Stocking
In the exercise of this function every conscientious member is obliged continually to vote money for purposes which he dislikes.The Map of Life|William Edward Hartpole Lecky
Hence, the performance of every function is, in a sense, a moral obligation.
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.