function
English
Etymology
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”).
Pronunciation
Noun
function (plural functions)
- What something does or is used for.
- 2013 May-June, Katrina G. Claw, “Rapid Evolution in Eggs and Sperm”, in 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.
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- A professional or official position.
- Synonyms: occupation, office, part, role
- An official or social occasion.
- A relation where one thing is dependent on another for its existence, value, or significance.
- (mathematics) A relation in which each element of the domain is associated with exactly one element of the codomain.
- Synonyms: map, mapping, mathematical function, operator, transformation
- Hypernym: relation
- (computing) A routine that receives zero or more arguments and may return a result.
- Synonyms: procedure, routine, subprogram, subroutine, func, funct
- (biology) The physiological activity of an organ or body part.
- (chemistry) The characteristic behavior of a chemical compound.
- (anthropology) The role of a social practice in the continued existence of the group.
Hyponyms
- The terms below need to be checked and allocated to the definitions (senses) of the headword above. Each term should appear in the sense for which it is appropriate. Use the templates
{{syn|en|...}}or{{ant|en|...}}to add them to the appropriate sense(s).
astronomy: Hyponyms of function
- luminosity function
- mass function
- phase function
- source function
- (chemistry): acidity function
computing: Hyponyms of function
- anonymous function
- Boolean function
- built-in function
- computable function
- concave function
- constructor function
- convex function
- error function
- first-class function
- predefined function
- recursive function
- restricted function
- second-class function
- set function
- switch function
- third-class function
- transition function
- user-defined function
logic: Hyponyms of function
- AND function
- Boolean function
- NOR function
- NOT function
- OR function
- propositional function
- switching function
- truth function
management: Hyponyms of function
mathematics: Hyponyms of function
- additive function
- aggregate function
- algebraic function
- alternating function
- analytic function
- anonymous function
- Baire function
- bei function
- ber function
- Bessel function
- beta function
- Bloch function
- bounded function
- boxcar function
- Brillouin function
- Cantor function
- characteristic function
- Chebyshev function
- circular function
- comparable function
- complementary function
- composite function
- connect function
- constant function
- constraint function
- contiguous function
- continuous function
- correlation function
- cost function
- critical function
- cylinder function
- decreasing function
- delta function
- density function
- describing function
- differentiable function
- discriminant function
- dissipation function
- distance function
- distribution function
- driving-point function
- eigenfunction
- elementary function
- Emden function
- entire function
- Euler's phi function
- even function
- explicit function
- exponential function
- first-class function
- form function
- Fowler function
- frontogenetic function
- gamma function
- generating function
- Green's function
- Hamiltonian function
- Hankel function
- harmonic function
- hei function
- her function
- Hildebrand function
- homogeneous function
- Hugoniot function
- hyperbolic function
- hypergeometric function
- identity function
- implicit function
- impulse function
- incidence function
- increasing function
- independent function
- influence function
- inner function
- integrable function
- integral function
- invariant function
- inverse function
- inverting function
- J function
- jump function
- kei function
- ker function
- Koebe function
- Lagrangian function
- Lamé function
- Legendre function
- Leverett function
- linear function
- Liouville function
- loss function
- Lyapunov function
- mass function
- Massieu function
- Mathieu function
- measurable function
- membership function
- meromorphic function
- microspec function
- Möbius function
- monotone function
- multilinear function
- natural function
- Neumann function
- normalized function
- normalized support function
- number-theoretic function
- objective function
- odd function
- one-way function
- orthogonal function
- orthonormal function
- partial function
- partition function
- Patterson function
- penalty function
- periodic function
- Planck function
- point function
- polynomial function
- power function
- principal function
- psi function
- quadratic function
- Rademacher function
- random function
- rational function
- real function
- recursive function
- regular function
- Riemann function
- Riemann P function
- sample function
- scalar function
- self-organizing function
- sensitivity function
- shear-viscosity function
- sigma function
- signum function
- simple function
- single-valued function
- sinusoidal function
- Smarandache function
- special function
- step function
- stream function
- stress function
- summable function
- support function
- symmetric function
- test function
- theta function
- torsion function
- transcendental function
- transfer function
- transmission function
- trigonometric cofunction
- trigonometric function
- truth function
- unit function
- universal wavelength function
- variadic function
- vector function
- Wannier function
- Weierstrass function
- weight function
- zeta function
physics: Hyponyms of function
- Airy function
- excitation function
- information function of a partition
- Langevin function
- luminosity function
- nuclear response function
- partition function
- psi function
- scattering function
- spectral function
- wave function
- work function
- (psychology): executive ego function
- (signal processing): spectral density function/spectral function
- (systems theory): control function
Derived terms
terms derived from function
- analytical function generator
- anatomy of function
- bifunctional
- cofunction
- difunctional
- diode function generator
- dysfunction
- eigenfunction expansion
- functional
- functionalism
- functionality
- function code
- function-evaluation routine
- function failure safety
- function generator
- functionhood
- function key
- function multiplier
- function object
- function pointer
- function space
- function switch
- function table
- function unit
- general-purpose function generator
- implicit function theorem
- inverse function theorem
- malfunction
- malfunction routine
- mathematical function program
- minimal brain dysfunction syndrome
- monofunctional compound
- multifunction array radar
- nonfunctional packages software
- positive linear functional
- programmed function key
- radicofunctional name
- second-class function
- separated-function synchrotron
- sharpness function technique
- step-function generator
- subfunctional
- tapped-potentiometer function generator
- thermodynamic function of state
- tool-function controller
- variable diode function generator
Translations
what something does or is used for
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professional or official position
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official or social occasion
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relation where one thing is dependent on another
mathematics: a relation between a set of inputs and a set of permissible outputs
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computing: routine that returns a result
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biology: physiological activity of an organ or body part
chemistry: characteristic behavior of a chemical compound
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.
Translations to be checked
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Verb
function (third-person singular simple present functions, present participle functioning, simple past and past participle functioned)
Related terms
Translations
to have a function
to carry on a function
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Middle French
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