- methylene radical
- nounthe bivalent radical CH2 derived from methane• Syn: ↑methylene group, ↑methylene• Hypernyms: ↑group, ↑radical, ↑chemical group
Useful english dictionary. 2012.
methylene radical
Look at other dictionaries:
methylene group — noun the bivalent radical CH2 derived from methane • Syn: ↑methylene radical, ↑methylene • Hypernyms: ↑group, ↑radical, ↑chemical group * * * Chem. the bivalent organic group >CH2, derived from methane. Also called me … Useful english dictionary
methylene group — Chem. the bivalent organic group >CH2, derived from methane. Also called methylene radical. * * * … Universalium
MÉTHYLÈNE — Nom donné au groupement CH2 à l’intérieur d’une molécule. méthylène [ metilɛn ] n. m. • 1834; du gr. methu « boisson fermentée » et hulê « bois » ♦ Chim. Radical bivalent CH2 dérivé du méthane. Bleu de méthylène : colorant aux propriétés… … Encyclopédie Universelle
Methylene — Meth yl*ene, n. [F. m[ e]thyl[ e]ne, from Gr. ? wine + ? wood; a word coined to correspond to the name wood spirit.] (Chem.) A divalent hydrocarbon radical, { CH2 }, not known in the free state, but regarded as an essential residue and component… … The Collaborative International Dictionary of English
Methylene blue — Methylene Meth yl*ene, n. [F. m[ e]thyl[ e]ne, from Gr. ? wine + ? wood; a word coined to correspond to the name wood spirit.] (Chem.) A divalent hydrocarbon radical, { CH2 }, not known in the free state, but regarded as an essential residue and… … The Collaborative International Dictionary of English
methylene — [meth′ə lēn΄] n. [Fr méthylène < Gr methy, wine (see MEAD1) + hylē, wood] the divalent hydrocarbon radical CH2, normally existing only in combination … English World dictionary
Radical clock — In chemistry, a radical clock is a compound that assists in the indirect methodology to determine the kinetics of radical molecule reactions. This involves a unimolecular radical reaction with a known rate constant competing against a bimolecular … Wikipedia
methylene — [ mɛθɪli:n] noun [as modifier] Chemistry of or denoting the divalent radical ‒CH2‒. Origin C19: from Fr. méthylène (formed irregularly from Gk methu wine + hulē wood ) + ene … English new terms dictionary
Radical Méthyle — Méthyle Méthyle En chimie, un groupe méthyle (souvent abrégé Me) est un radical alkyle hydrophobe dérivé du méthane (CH4). Sa formule est CH3 Selon la nomenclature internationale de l IUPAC, pour nommer les radicaux organiques … Wikipédia en Français
Radical méthyle — Méthyle Méthyle En chimie, un groupe méthyle (souvent abrégé Me) est un radical alkyle hydrophobe dérivé du méthane (CH4). Sa formule est CH3 Selon la nomenclature internationale de l IUPAC, pour nommer les radicaux organiques … Wikipédia en Français
