func·tion·al /ˈfʌŋ(k)ʃnəl, ʃənḷ/
 (a.)功能的,有作用的;函數的,泛函的


 func·tion·al /ˈfəŋ(k)ʃnəl, ʃənḷ/ 形容詞
 機能的,功能的,官能的


 functional
 功能的


 functional
 功能 函數


 Func·tion·al a.
 1. Pertaining to, or connected with, a function or duty; official.
 2. Pathology, Physiol. Pertaining to the function of an organ or part, or to the functions in general; involving or affecting function rather than physiology; as, functional deafness; a functional disease.  See functional disease, below. [wns=2]
 Functional disease 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.

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 functional
      adj 1: designed for or capable of a particular function or use; "a
             style of writing in which every word is functional";
             "functional architecture" [ant: nonfunctional]
      2: involving or affecting function rather than physiology;
         "functional deafness" [ant: organic]
      3: relating to or based on function especially as opposed to
         structure; "the problem now is not a constitutional one;
         it is a functional one"; "delegates elected on a
         functional rather than a geographical basis"
      4: fit or ready for use or service; "the toaster was still
         functional even after being dropped"; "the lawnmower is a
         bit rusty but still usable"; "an operational aircraft";
         "the dishwasher is now in working order" [syn: usable, useable,
          in working order(p), operable, operational]
      5: designed for or adapted to a function or use; "functional
         education selects knowledge that is concrete and usable
         rather than abstract and theoretical"; "functional
         architecture"
      6: (of e.g. a machine) performing or capable of performing; "in
         running (or working) order"; "a functional set of brakes"
         [syn: running(a), operative, working(a)]