Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of or relating to a function.
  • adjective Of, relating to, or indicating a mathematical function or functions.
  • adjective Designed for or adapted to a particular function or use.
  • adjective Capable of performing a function; operative.
  • adjective Able to function personally or socially despite limitations or impairment.
  • adjective Medicine Involving physiological function rather than anatomical structure.
  • noun A linear function on vectors whose values are scalars.

from The Century Dictionary.

  • Pertaining to functions; relating to some office or function.
  • Pertaining to an algebraical operation: as, a functional symbol.
  • Having the function usual to the part or organ: as, functional wings of an insect (that is, those used for flying).

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Pertaining to, or connected with, a function or duty; official.
  • adjective (Pathology, Physiol.) Pertaining to the function of an organ or part, or to the functions in general; involving or affecting function rather than physiology. See functional disease, below.
  • adjective Designed for or capable of a particular function or use.
  • adjective Fit or ready for use or service; useable; in working order. Antonym of out of order and nonfunctional.
  • adjective Designed to emphasize practical utility rather than artistic or aesthetic purposes.
  • adjective (Med.) a disease of which the symptoms cannot be referred to any appreciable lesion or change of structure; the derangement of an organ arising from a cause, often unknown, external to itself opposed to organic disease, in which the organ itself is affected.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective In good working order.
  • adjective Useful; serving a purpose, fulfilling a function
  • adjective Only for functional purposes, notably in architecture
  • adjective computing theory Having semantics defined purely in terms of mathematical functions, without side-effects.
  • adjective 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.
  • noun 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.
  • noun mathematics (functional analysis) A scalar-valued linear function on a vector space
  • noun computing An object encapsulating a function pointer (or equivalent).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective (of e.g. a machine) performing or capable of performing
  • adjective fit or ready for use or service
  • adjective designed for or adapted to a function or use
  • adjective involving or affecting function rather than physiology
  • adjective designed for or capable of a particular function or use
  • adjective relating to or based on function especially as opposed to structure

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

function +‎ -al

Examples

  • "You've probably heard of the term functional MRI," she said.

    Breaking News: CBS News

  • In this paper, the term functional ingredients refers to substances purported to improve bodily functioning that are added to traditional foods through a manufacturing or other process.

    Center on Budget: Comprehensive News Feed

  • It is important here that I clarify how I am using the term functional in this context.

    MachineMachine (formerly 'The Huge Entity')

  • You probably noticed that the term functional programming has appeared in many areas recently - the C# 3.0 and LINQ have been largely influenced by this paradigm and many of the libraries that enable and simplify writing parallel code rely on functional ideas.

    The Code Project Latest Articles

  • The first time I heard the term functional construction was when I was writing the LINQ to XML section of my book LINQ Unleashed: for C# from Sams.

    Developer.com

  • The first time I heard the term functional construction was when I was writing the LINQ to XML section of my book LINQ Unleashed: for C# from Sams.

    Developer.com

  • The first time I heard the term functional construction was when I was writing the LINQ to XML section of my book LINQ Unleashed: for C# from Sams.

    Developer.com

  • The first time I heard the term functional construction was when I was writing the LINQ to XML section of my book LINQ Unleashed: for C# from Sams.

    Developer.com

  • Although the term functional might in your mind be somewhat a limiting factor, the good thing about F# is that it supports object-oriented constructs, and also has full access to the.

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  • Although the term functional might in your mind be somewhat a limiting factor, the good thing about F# is that it supports object-oriented constructs, and also has full access to the.

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