Functional disease

Functional disease
Functional Func"tion*al (f[u^][ng]k"sh[u^]n*al), a. 1. Pertaining to, or connected with, a function or duty; official. [1913 Webster]

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. [WordNet sense 2] [1913 Webster]

3. Designed for or capable of a particular function or use; as, a style of writing in which every word is functional; functional architecture. [WordNet sense 1] [WordNet 1.6]

4. Fit or ready for use or service; useable; in working order; as, the toaster was still functional even after being dropped; the lawnmower is a bit rusty but still functional. Antonym of {out of order} and {nonfunctional}. [WordNet sense 4 & 6]

Syn: usable, useable, in working order(predicate), operable, operational, running(prenominal), operative. [WordNet 1.6]

5. Designed to emphasize practical utility rather than artistic or aesthetic purposes; as, functional education selects knowledge that is concrete and usable rather than abstract and theoretical; functional architecture; an amateurish device, crude but functional. [WordNet 1.6]

{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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • functional disease — /ˈfʌŋkʃənəl dəziz/ (say fungkshuhnuhl duhzeez) noun a disease in which there is a morbid change in the function of an organ, but no structural alteration in the tissues involved often implying a psychosomatic disease (opposed to organic disease) …  

  • functional disease — Pathol. a disease in which there is an abnormal change in the function of an organ, but no structural alteration in the tissues involved (opposed to organic disease). [1870 75] * * * …   Universalium

  • functional disease — Pathol. a disease in which there is an abnormal change in the function of an organ, but no structural alteration in the tissues involved (opposed to organic disease). [1870 75] …   Useful english dictionary

  • functional disease — One which prevents, obstructs, or interferes with the due performance of its special functions by any organ of the body, without anatomical defect or abnormality in the organ itself. Distinguished from organic disease, which is due to some injury …   Black's law dictionary

  • functional disease — One which prevents, obstructs, or interferes with the due performance of its special functions by any organ of the body, without anatomical defect or abnormality in the organ itself. Distinguished from organic disease, which is due to some injury …   Black's law dictionary

  • functional disease — see under disorder …   Medical dictionary

  • Functional — Func tion*al (f[u^][ng]k sh[u^]n*al), a. 1. Pertaining to, or connected with, a function or duty; official. [1913 Webster] 2. (Pathology, Physiol.) Pertaining to the function of an organ or part, or to the functions in general; involving or… …   The Collaborative International Dictionary of English

  • functional — [fuŋk′shə nəl] adj. 1. of or relating to a function or functions 2. a) performing or able to perform a function b) useful or intended to be useful 3. Med. affecting a function of some organ without apparent structural or organic changes [a… …   English World dictionary

  • Functional medicine — is personalized medicine that deals with primary prevention and underlying causes, instead of symptoms, for serious chronic disease. [Jones DS, ed. Textbook of Functional Medicine. Gig Harbor, WA: The Institute for Functional Medicine; 2005. ISBN …   Wikipedia

  • Functional food — is a food where a new ingredient(s) (or more of an existing ingredient) has been added to a food and the new product has a new function (often one related to health promotion or disease prevention).[1] The general category of functional foods… …   Wikipedia

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