/nahr"see een', -in/, n. Pharm.
a narcotic alkaloid, C23H27NO8, occurring in opium and acting as a mild relaxant on smooth muscle.
[ < F narcéine (1832), irreg. < Gk nárke numbness (see NARCO-) + F -ine -INE2]

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  • narcéine — [ narsein ] n. f. • 1832; du gr. narkê (cf. narco ) et suff. ine ♦ Chim. Un des alcaloïdes de l opium. ⇒NARCÉINE, subst. fém. CHIM. Alcaloïde extrait de l opium et possédant des vertus soporifiques et analgésiques. En Asie, on incise la paroi des …   Encyclopédie Universelle

  • narceine — [när′sē ēn΄, när′sēin] n. [Fr narcéïne < Gr narkē, numbness: see NARCOTIC] a bitter, white, crystalline narcotic alkaloid, C23H27NO8, obtained from opium …   English World dictionary

  • Narceine — Nar ce*ine, n. [L. narce numbness, torpor, Gr. ?????: cf. F. narc[ e][ i]ne.] (Chem.) An alkaloid found in small quantities in opium, and extracted as a white crystalline substance of a bitter astringent taste. It is a narcotic. Called also… …   The Collaborative International Dictionary of English

  • narceine — noun An alkaloid contained in opium, occurring as fine white, silky crystals, slightly soluble in water, used as a substitute for morphine …   Wiktionary

  • narceine — An alkaloid of opium; C23H27NO8. Ethylnarceine is a narcotic, analgesic, and antitussive. * * * nar·ce·ine när sē .ēn, ən n a bitter crystalline narcotic amphoteric alkaloid C23H27NO8 found in opium and also obtainable from narcotine …   Medical dictionary

  • narcéine — (nar sé i n ) s. f. Terme de chimie. Un des principes immédiats découverts dans l opium par Pelletier, en 1832. ÉTYMOLOGIE    Terme grec signifiant assoupissement …   Dictionnaire de la Langue Française d'Émile Littré

  • narceine — nÉ‘rsɪːɪn / nɒː n. narcotic drug, derivative of opium, substitute for morphine (Pharmacology) …   English contemporary dictionary

  • narceine — nar·ce·ine …   English syllables

  • narceine — /ˈnasin/ (say nahseen) noun a bitter, white, crystalline narcotic alkaloid, C23H27NO8.3H2O, contained in opium, having a muscle relaxing action. {Latin narcē (from Greek narkē numbness, torpor) + ine2} …  

  • narceine —   n. narcotic alkaloid found in opium …   Dictionary of difficult words

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