Meaning of FUNCTION in English

FUNCTION

■ noun

1》 an activity that is natural to or the purpose of a person or thing.

↘a computer operation corresponding to a single instruction from the user.

2》 a large or formal social event or ceremony.

3》 Mathematics a relation or expression involving one or more variables.

↘a variable quantity regarded as depending on another variable.

4》 a thing dependent on another factor or factors.

5》 Chemistry a ~al group.

■ verb work or operate in a proper or particular way.

↘( ~ as ) fulfil the purpose or task of (a specified thing).

Derivatives

~less adjective

Origin

C16: from Fr. fonction , from L. functio(n-) , from fungi 'perform'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.