dimethyl

diméthyl- — ♦ Élément, de di et méthyle, utilisé en chimie pour indiquer la présence, dans une molécule, de deux substitutions par un radical méthyle. diméthyl ❖ ♦ Préfixe, utilisé en chimie, de di , et méthyle, indiquant la présence, dans une molécule, de… …   Encyclopédie Universelle

Dimethyl — Di*meth yl, n. [Pref. di + methyl.] (Chem.) Ethane; sometimes so called because regarded as consisting of two methyl radicals. See {Ethane}. [1913 Webster] …   The Collaborative International Dictionary of English

Dimethȳl — Dimethȳl, s. Äthan …   Meyers Großes Konversations-Lexikon

Dimethyl — Dimethyl, s. Aethan …   Lexikon der gesamten Technik

dimethyl — [dī meth′əl] adj. containing two methyl radicals …   English World dictionary

dimethyl — ethane eth ane ([e^]th [=a]n), n. [From {Ether}.] (Chem.) A gaseous hydrocarbon, {C2H6}, forming a constituent of ordinary illuminating gas. It is the second member of the paraffin series, and its most important derivatives are common alcohol… …   The Collaborative International Dictionary of English

dimethyl — adjective containing two methyl groups in the molecule often used in combination …   New Collegiate Dictionary

dimethyl — /duy meth euhl/, n. Chem. ethane. [1865 70; DI 1 + METHYL] * * * …   Universalium

dimethyl — noun (in combination) Two methyl groups in a molecule …   Wiktionary

dimethyl — di·meth·yl ( )dī meth əl adj containing two methyl groups in a molecule often used in combination …   Medical dictionary

dimethyl — n. (Chemistry) ethane, flammable gas from the methane series …   English contemporary dictionary