calomel

calomel
noun Etymology: probably from New Latin *calomelas, from Greek kalos beautiful + melas black — more at melan- Date: 1676 a white tasteless compound Hg2Cl2 used especially as a component of laboratory electrodes, as a fungicide, and formerly in medicine as a purgative — called also mercurous chloride

New Collegiate Dictionary. 2001.

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  • Calomel — Modèles 2D et 3D Général …   Wikipédia en Français

  • calomel — [ kalɔmɛl ] n. m. • 1752; du gr. kalos « beau » et melas « noir », p. ê. à cause de la couleur de la substance qui servit à l obtenir ♦ Chlorure mercureux (HgCl), poudre blanche sans saveur, autrefois utilisée comme purgatif et antiseptique… …   Encyclopédie Universelle

  • calomel — CALOMÉL s.n. Clorură de mercur sub forma unei pulberi albe, fine, insolubile în apă, fără gust, fără miros, având acţiune purgativă şi vermifugă; clorură mercuroasă. – Din fr. calomel. Trimis de valeriu, 13.09.2007. Sursa: DEX 98  CALOMÉL s.… …   Dicționar Român

  • calomel — m. Calomelanos. * * * calomel. m. calomelanos. * * * altcalomel o calomelanos/alt [Hg2Cl2] ► masculino sustantivo y plural respectivamente MINERALOGÍA Dicloruro de dimercurio …   Enciclopedia Universal

  • calomel — old name for mercurous chloride, 1670s, from Fr. calomel, supposedly (Littré) from Gk. kalos fair + melas black; but as the powder is yellowish white this seems difficult. It is perhaps of significance that the salt is blackened by ammonia and… …   Etymology dictionary

  • calomel — [kal′ə mel΄, kal′əməl] n. [ModL calomel, calomeles < Gr kalos, beautiful + melas, black: see MELANO ] mercurous chloride, HgCl, a white, tasteless powder that darkens on exposure to light: used in standard electrode cells and as a fungicide,… …   English World dictionary

  • Calomel — Cal o*mel (k[a^]l [ o]*m[e^]l), n. [Gr. kalo s beautiful + me las black. So called from its being white, though made from a black mixture of mercury and corrosive sublimate. Cf. F. calom[ e]las.] (Chem.) Mild chloride of mercury, {Hg2Cl2}, a… …   The Collaborative International Dictionary of English

  • Calomel — Calomel, s. Kalomel …   Pierer's Universal-Lexikon

  • Calomel — Calomel, s. Quecksilberchloride …   Lexikon der gesamten Technik

  • calomel — et calomélas (ka lo mèl et ka lomé las ) s. m. Terme de chimie. Ancien nom du protochlorure de mercure. ÉTYMOLOGIE    En grec, beau et noir : ainsi nommé, dit on, parce que le chimiste qui le découvrit, vit, dans la préparation, se changer une… …   Dictionnaire de la Langue Française d'Émile Littré

  • calomel — s. m. [Química] O mesmo que calomelanos …   Dicionário da Língua Portuguesa

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