autacoid — n. 1. 1 any physiologically active internal secretion, especially one of uncertain classification. Syn: autocoid. [WordNet 1.5] … The Collaborative International Dictionary of English
autacoid — [ôt′ə koid΄] n. [ AUT(O) + Gr akos, cure, remedy + OID] 1. HORMONE 2. any of a group of natural biochemicals, as serotonin, angiotensin, or histamine, that activate changes in the blood, nerves, etc., similar to those caused by drugs … English World dictionary
autacoid — noun Etymology: aut + Greek akos remedy; probably akin to Old Irish ícc cure Date: 1914 a physiologically active substance (as serotonin, bradykinin, or angiotensin) produced by and acting within the body … New Collegiate Dictionary
autacoid — autacoidal, adj. /aw teuh koyd /, n. Physiol. any physiologically active internal secretion, esp. one of uncertain classification, as histamine or prostaglandin. [1910 15; AUT + Gk ák(os) remedy + OID] * * * … Universalium
autacoid — noun A hormone or similar compound See Also: autocoidal, acology … Wiktionary
autacoid — n. hormone … English contemporary dictionary
autacoid — au·ta·coid … English syllables
autacoid — /ˈɔtəkɔɪd/ (say awtuhkoyd) noun a substance secreted by one organ into the bloodstream or lymph, and controlling organic processes elsewhere in the body; a hormone. {aut + Greek akos remedy + oid} …
autacoid — n. hormone. ♦ autacoidal, a … Dictionary of difficult words
autacoid — noun any physiologically active internal secretion especially one of uncertain classification • Syn: ↑autocoid • Derivationally related forms: ↑autacoidal • Hypernyms: ↑secretion • Hyponyms: ↑prostaglandin … Useful english dictionary