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functional

From Wiktionary, the free dictionary

English

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Etymology

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Fromfunction +‎-al.

Pronunciation

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  • IPA(key): /ˈfʌŋkt͡ʃənəl/,/ˈfʌŋkt͡ʃnəl/
  • Audio(US):(file)

Adjective

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functional (comparativemorefunctional,superlativemostfunctional)

  1. In goodworking order.
    • 2002, Ludo Verhoeven, Carsten Elbro, Pieter Reitsma, editors,Precursors of Functional Literacy‎[1]:
      While we assume that phonological subsyllabic units arefunctional prior to reading skill, we have not ruled out a possible interaction with the writing system.
  2. Useful; serving apurpose, fulfilling a function.
    That sculpture is not merely artistic, but alsofunctional: it can be used as a hatrack.
  3. Only for functional purposes, notably in architecture.
    Afunctional construction element generally must meet higher technical but lower aesthetical requirements.
  4. Of or relating to one'srole oroffice;official.
    functional responsibilities
  5. (mathematics) Of or relating to afunction or functions.
  6. (computingtheory) Havingsemantics defined purely in terms of mathematicalfunctions, withoutside-effects.
    Synonym:pure
    Antonym:imperative
  7. (medicine) Of a disease, such that its symptoms cannot be referred to any appreciable lesion or change of structure; opposed to organic disease, in which the organ itself is affected.

Synonyms

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Antonyms

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Hyponyms

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Derived terms

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Related terms

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Translations

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in good working order
useful, serving a purpose
only for functional purposes, notably in architecture
of or relating to a function or functions
having semantics defined purely in terms of mathematical functions, without side-effects
such that its symptoms cannot be referred to any appreciable lesion or change of structure

Noun

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functional (pluralfunctionals)

  1. (mathematics) Afunction that takes a function as itsargument; more precisely, a function whose argument varies in a space of (real or complex valued) functions and whose value belongs to a monodimensional space.
    An example of afunctional is the definite integration of integrable real functions in a real interval.
  2. (mathematics, functional analysis) Ascalar-valuedlinear function on avector space.
  3. (computing) Anobjectencapsulating afunctionpointer (or equivalent).

Derived terms

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Translations

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a function that takes a function as its argument
an object encapsulating a function pointer

References

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Further reading

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