Essential Meaning of function
1 : the special purpose or activity for which a thing exists or is used The function of the heart is to pump blood through the body. He believes that the true function of art is to tell the truth. See More ExamplesWhat functions do these programs fulfill/perform/serve? infants learning to control their bodily functions The instrument is chiefly used to measure and record heart function. The design achieves a perfect blend of form and function.
2 : the job or duty of a person His job combines the functions of a manager and a worker. Her chief/main/primary/principal function is to provide expert legal advice.
3 : a large ceremony or social event They went to several functions during their college reunion weekend. a social function
Full Definition of function
(Entry 1 of 2)
1 : professional or official position : occupation His job combines the functions of a manager and a worker.
2 : the action for which a person or thing is specially fitted or used or for which a thing exists : purpose
3 : any of a group of related actions contributing to a larger action especially : the normal and specific contribution of a bodily part to the economy of a living organism The function of the heart is to pump blood through the body.
4 : an official or formal ceremony or social gathering They went to several functions during their college reunion weekend.
5a : a mathematical correspondence that assigns exactly one element of one set to each element of the same or another set
b : a variable (such as a quality, trait, or measurement) that depends on and varies with another height is a function of age also : result illnesses that are a function of stress
6 : characteristic behavior of a chemical compound due to a particular reactive unit also : functional group
7 : a computer subroutine specifically : one that performs a calculation with variables (see variable entry 2 sense 1a) provided by a program and supplies the program with a single result
Definition of function (Entry 2 of 2)
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