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English definition of “function”

function

noun uk   /ˈfʌŋk.ʃən/ us  

function noun (PURPOSE)

B2 [C] the natural purpose (of something) or the duty (of a person): The function of the veins is to carry blood to the heart. I'm not quite sure what my function is within the company. A thermostat performs the function of controlling temperature.

function noun (CEREMONY)

C1 [C] an official ceremony or a formal social event, such as a party or a special meal, at which a lot of people are usually present: As a mayor, he has a lot of official functions to attend. I see her two or three times a year, usually at social functions.

function noun (WORK)

[U] the way in which something works or operates: It's a disease that affects the function of the nervous system. Studies suggest that regular intake of the vitamin significantly improves brain function.

function noun (COMPUTER)

[C] specialized computing a process that a computer or a computer program uses to complete a task: a search/save/sort function

function noun (RESULT)

a function of sth formal something that results from something else, or is the way it is because of something else: His success is a function of his having worked so hard. The low temperatures here are a function of the terrain as much as of the climate.

function noun (VALUE)

[C] specialized mathematics (in mathematics) a quantity whose value depends on another value and changes with that value: x is a function of y.

function

verb [I] uk   /ˈfʌŋk.ʃən/ us  
to work or operate: You'll soon learn how the office functions. The television was functioning normally until yesterday. I'm so tired today, I can barely function.
Phrasal verbs
(Definition of function from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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