func·tion·al /ˈfʌŋ(k)ʃnəl, ʃənḷ/
func·tion·al /ˈfəŋ(k)ʃnəl, ʃənḷ/ 形容詞
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.
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
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)]