function

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English[edit]

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Etymology[edit]

From Middle French function, from Old French fonction, from Latin functionem, accusative of functiō (performance, execution), from functus perfect participle of fungor (I perform, I execute, I discharge).

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Noun[edit]

function (plural functions)

  1. What something does or is used for.
    • 2013 May-June, Katrina G. Claw, “Rapid Evolution in Eggs and Sperm”, American Scientist, volume 101, number 3: 
      Many genes with reproductive roles also have antibacterial and immune functions, which indicate that the threat of microbial attack on the sperm or egg may be a major influence on rapid evolution during reproduction.
  2. A professional or official position.
  3. ​An official or social occasion.
  4. A relation where one thing is dependent on another for its existence, value, or significance.
  5. (mathematics) A relation in which each element of the domain is associated with exactly one element of the codomain.
  6. (computing) A routine that receives zero or more arguments and may return a result.
  7. (biology) The physiological activity of an organ or body part.
  8. (chemistry) The characteristic behavior of a chemical compound.
  9. (anthropology) The role of a social practice in the continued existence of the group.

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Verb[edit]

function (third-person singular simple present functions, present participle functioning, simple past and past participle functioned)

  1. (intransitive) to have a function
  2. (intransitive) to carry on a function; to be in action

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Middle French[edit]

Noun[edit]

function f (plural functions)

  1. function (what something's intended use is)

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