Defn: The science of method or arrangement; a treatise on method.
Coleridge.
METHOL
Meth"ol, n. Etym: [Gr. -ol.] (Chem.)
Defn: The technical name of methyl alcohol or wood spirit; also, by extension, the class name of any of the series of alcohols of the methane series of which methol proper is the type. See Methyl alcohol, under Methyl.
METHOUGHT
Me*thought", imp.
Defn: of Methinks.
METHOXYL
Meth*ox"yl, n. Etym: [Methyl + hydroxyl.] (Chem.)
Defn: A hypothetical radical, CH3O, analogous to hydroxyl.
METHYL
Meth"yl, n. Etym: [See Methylene.] (Chem.)
Defn: 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.
METHYLAL
Meth"yl*al, n. Etym: [Methylene + alcohol.] (Chem.)