Functional meaning

fŭngkshə-nəl
The definition of functional is something that is useful for its intended purpose.

A saw that works to cut things is an example of a functional saw.

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Designed for or adapted to a particular function or use.

Functional architecture.

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(medicine) Involving physiological function rather than anatomical structure.
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Of or relating to a function or functions.
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A linear function on vectors whose values are scalars.
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(med.) Affecting a function of some organ without apparent structural or organic changes.

A functional disease.

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(medicine) Involving physiological function rather than anatomical structure.
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Affecting bodily functions but not organic structure, as a disorder such as irritable bowel syndrome.
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In good working order.
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Useful; serving a purpose, fulfilling a function.

That sculpture is not merely artistic, but also functional: it can be used as a hatrack.

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Only for functional purposes, notably in architecture.

A functional construction element generally must meet higher technical but lower aesthetical requirements.

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(computing theory) Having semantics defined purely in terms of mathematical functions, without side-effects.
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(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.
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(mathematics) A function that takes a function as its argument; More precisely: A function y=f(x) whose argument x varies in a space of (real valued, complex valued) functions and whose value belongs to a monodimensional space. An example: the definite integration of integrable real functions in a real interval.
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(mathematics, functional analysis) A scalar-valued linear function on a vector space.
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(computing) An object encapsulating a function pointer (equivalent).
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Origin of functional