Search results for 'function':

function noun 1 the special purpose or task of a machine, person, bodily part, etc. 2 a an organized event such as a party, reception, meeting, etc; b Also as adj • function room. 3 a duty particular to someone in a particular job. 4 math, logic a mathematical procedure that relates one or more variables to one or more other variables, eg in the algebraic expression y = x + 4, the variable y is a function of the variable x, usually written as y = f(x), and a change in x will produce a change in y. 5 computing any of the basic operations of a computer, usually corresponding to a single operation. verb (functioned, functioning) intrans 1 to work; to operate • The washing-machine functions well. 2 to fulfil a function; to perform one's duty. 3 to serve or act as something • a torch that functions as a screwdriver. functionless adj.
ETYMOLOGY: 16c: French, from Latin functio, from fungi, functus to perform.