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Definition of function noun from the Oxford Advanced Learner's Dictionary

function

noun
 
/ˈfʌŋkʃn/
 
/ˈfʌŋkʃn/
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  1. [countable, uncountable] a special activity or purpose of a person or thing
    • The club serves a useful function as a meeting place.
    • to fulfil/perform a function
    • What is your function in the department?
    • bodily functions (= for example eating, sex, using the toilet)
    • The function of the heart is to pump blood through the body.
    • This design aims for harmony of form and function.
    Extra Examples
    • Fortunately, his head injuries left his bodily functions unimpaired.
    • The committee has a dual function, both advisory and regulatory.
    • Within two weeks of quitting smoking, your lung function can improve as much as 30%
    Oxford Collocations Dictionaryadjective
    • important
    • useful
    • valuable
    verb + function
    • have
    • carry out
    • fulfil/​fulfill
    See full entry
  2. [countable] a social event or official ceremony
    • The hall provided a venue for weddings and other functions.
    • The couple attended a charity function in aid of cancer research.
    Extra Examples
    • There are numerous functions in aid of charity.
    • He and his wife were guests of honour at a function held by the society last weekend.
    • The reception will be held in the hotel's function room.
    Oxford Collocations Dictionaryadjective
    • charity
    • official
    • social
    verb + function
    • hold
    • attend
    • go to
    function + noun
    • room
    See full entry
  3. [countable] function (of something) (mathematics) a quantity whose value depends on the varying values of others. In the statement 2x=y, y is a function of x.
    • (figurative) Salary is a function of age and experience.
    Topics Maths and measurementc1
  4. [countable] (computing) a part of a program, etc. that performs a basic operationTopics Computersc2
  5. Word Originmid 16th cent.: from French fonction, from Latin functio(n-), from fungi ‘perform’.
See function in the Oxford Advanced American DictionarySee function in the Oxford Learner's Dictionary of Academic English
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