function Meaning, Definition & Usage
noun (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
single-valued function; mathematical function; mapping; map.
noun what something is used for
use; role; purpose.
- the function of an auger is to bore holes
- ballet is beautiful but what use is it?
noun the actions and activities assigned to or required or expected of a person or group
part; role; office.
- the function of a teacher
- the government must do its part
- play its role
noun a relation such that one thing is dependent on another
- height is a function of age
- price is a function of supply and demand
noun a formal or official social gathering or ceremony
- it was a black-tie function
noun a vaguely specified social event
affair; social occasion; social function; occasion.
- the party was quite an affair
- an occasion arranged to honor the president
- a seemingly endless round of social functions
noun a set sequence of steps, part of larger computer program
subprogram; subroutine; procedure; routine.
verb perform as expected when applied
go; work; run; operate.
- The washing machine won't go unless it's plugged in
- Does this old car still run well?
- This old radio doesn't work anymore
verb serve a purpose, role, or function
- The tree stump serves as a table
- The female students served as a control group
- This table would serve very well
- His freedom served him well
- The table functions as a desk
verb perform duties attached to a particular office or place or function
- His wife officiated as his private secretary
The act of executing or performing any duty, office, or calling; per formance."In the function of his public calling." Swift.
(Physiol.) The appropriate action of any special organ or part of an animal or vegetable organism; as, the functionof the heart or the limbs; the functionof leaves, sap, roots, etc.; life is the sum of the functionsof the various organs and parts of the body.
The natural or assigned action of any power or faculty, as of the soul, or of the intellect; the exertion of an energy of some determinate kind.
As the mind opens, and its functions spread. Pope.
The course of action which peculiarly pertains to any public officer in church or state; the activity appropriate to any business or profession.
Tradesmen . . . going about their functions. Shak.
The malady which made him incapable of performing his regal functions. Macaulay.
(Math.) A quantity so connected with another quantity, that if any alteration be made in the latter there will be a consequent alteration in the former. Each quantity is said to be a function of the other. Thus, the circumference of a circle is a function of the diameter. If x be a symbol to which different numerical values can be assigned, such expressions as x 2, 3 x, Log. x, and Sin. x, are all functionsof x.
Func"tion, Func"tion*ate intransitive verb
To execute or perform a function; to transact one's regular or appointed business.
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