English Lexicon

Function

/ˈfʌŋkʃən/
nounCEFR B2 (Upper)Top #300 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    An activity or purpose natural to or intended for a person or thing.

    "The function of the heart is to pump blood throughout the body."
  2. 2

    A mathematical relation or expression involving one or more variables.

    "In mathematics, a function can be represented as f(x) = x^2."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The word 'function' originates from the Latin 'functio', meaning 'performance, execution', which evolved through Middle French before entering English in the late 14th century. Its meaning has shifted from a general sense of 'performance' to more specific applications in mathematics, biology, and social sciences.

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