METHYL

methyl, methyl group, methyl radical

(noun) the univalent radical CH3- derived from methane

Source: WordNet® 3.1

Etymology

Noun

methyl (plural methyls)

(organic compound) The univalent hydrocarbon radical, CH₃-, formally derived from methane by the loss of a hydrogen atom; a compound or part of a compound formed by the attachment of such a radical.

Source: Wiktionary

Meth"yl, n. Etym: [See Methylene.] (Chem.)

Definition: A hydrocarbon radical, CH3, not existing alone but regarded as an essential residue of methane, and appearing as a component part of many derivatives; as, methyl alcohol, methyl ether, methyl amine, etc. [Formerly written also methule, methyle, etc.] Methyl alcohol (Chem.), a light, volatile, inflammable liquid, CH3.OH, obtained by the distillation of wood, and hence called wood spirit; -- called also methol, carbinol, etc.

– Methyl amine (Chem.), a colorless, inflammable, alkaline gas, CH3.NH2, having an ammoniacal, fishy odor. It is produced artificially, and also occurs naturally in herring brine and other fishy products. It is regarded as ammonia in which a third of its hydrogen is replaced by methyl, and is a type of the class of substituted ammonias.

– Methyl ether (Chem.), a light, volatile ether CH3.O.CH3, obtained by the etherification of methyl alcohol; -- called also methyl oxide.

– Methyl green. (Chem.) See under Green, n.

– Methyl orange. (Chem.) See Helianthin.

– Methyl violet (Chem.), an artificial dye, consisting of certain methyl halogen derivatives of rosaniline.

Source: Webster’s Unabridged Dictionary 1913 Edition