Dimethyl :: Dimethyl (n.) Ethane; -- sometimes so called because regarded as consisting of two methyl radicals. See Ethane.
Methyl :: Methyl (n.) 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..
Methylal :: Methylal (n.) A light, volatile liquid, H2C(OCH3)2, regarded as a complex ether, and having a pleasant ethereal odor. It is obtained by the partial oxidation of methyl alcohol. Called also formal..
Methylamine :: Methylamine (n.) See Methyl amine, under Methyl..
Methylate :: Methylate (n.) An alcoholate of methyl alcohol in which the hydroxyl hydrogen is replaced by a metal, after the analogy of a hydrate; as, sodium methylate, CH3ONa..
Methylate :: Methylate (v. t.) To impregnate or mix with methyl or methyl alcohol.
Methylated :: Methylated (a.) Impregnated with, or containing, methyl alcohol or wood spirit; as, methylated spirits..
Methylene :: Methylene (n.) A hydrocarbon radical, CH2, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, CH2Br2; -- formerly called also methene..
Methylic :: Methylic (a.) Pertaining to, derived from, or containing, methyl; specifically, designating methyl alcohol. See under Methyl..
Oxamethylane :: Oxamethylane (n.) Methyl oxamate, obtained as a pearly white crystalline substance..
Oxymethylene :: Oxymethylene (n.) Formic aldehyde, regarded as a methylene derivative..
Pentamethylene :: Pentamethylene (n.) A hypothetical hydrocarbon, C5H10, metameric with the amylenes, and the nucleus of a large number of derivatives; -- so named because regarded as composed of five methylene residues. Cf. Trimethylene, and Tetramethylene..
Tetramethylene :: Tetramethylene (n.) A hypothetical hydrocarbon, C4H8, analogous to trimethylene, and regarded as the base of well-known series or derivatives..
Tetramethylene :: Tetramethylene (n.) Sometimes, an isomeric radical used to designate certain compounds which are really related to butylene..
Trimethyl :: Trimethyl () A prefix or combining form (also used adjectively) indicating the presence of three methyl groups.
Trimethylamine :: Trimethylamine (n.) A colorless volatile alkaline liquid, N.(CH3)3, obtained from herring brine, beet roots, etc., with a characteristic herringlike odor. It is regarded as a substituted ammonia containing three methyl groups..
Trimethylene :: Trimethylene (n.) A gaseous hydrocarbon, C3H6, isomeric with propylene and obtained from it indirectly. It is the base of a series of compounds analogous to the aromatic hydrocarbons..
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