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obtained from coal tar as an oily liquid, C11H11N; also, any one of several substances metameric with, and resembling, cryptidine proper.

An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2. Its compounds are derived from aldehyde. Formerly called also ethidene.

A compound radical, C3H5, regarded as the essential radical of glycerin. It is metameric with allyl. Called also propenyl.

Any one of a series of unsaturated metameric hydrocarbons, C7H12, of the acetylene series.

The homology of metameres. See Metamere. Gegenbaur.

C6H4(OH)2, obtained by the reduction of quinone. It is a diacid phenol, resembling, and metameric with, pyrocatechin and resorcin. Called also dihydroxy benzene.

Designating an acid isomeric with cyanic acid. Isocyanic acid, an acid metameric with cyanic acid, and resembling it in its salts. It is obtained as a colorless, mobile, unstable liquid by the heating cyanuric acid. Called technically carbimide.

and benzine are isomeric (polymeric) with each other in this sense. See Polymeric. (b) Metameric; i. e., having the same elements united in the same proportions by weight, and with the same molecular weight, but which a different structure or arrangement of the ultimate parts; as, ethyl alcohol and methyl ether are is…

isomeric substances. Physical isomerism (Chem.), the condition or relation of certain (metameric) substances, which, while chemically identical (in that they have the same composition, the same molecular weights, and the same ultimate constitution), are yet physically different, as in their action on polarized light,…

A crystalline hydrocarbon derivative, metameric with orcin, but produced artificially; -- called also cresorcin.

ic acid, and obtained as a white crystalline substance having a neutral reaction. It is metameric with alanine.

An organic base, C9H6.N.CH3, metameric with quinaldine, and obtained by the distillation of cinchonine.

Any one of several metameric alkaloids, C5H3N.(CH3)2, of the pyridine series, obtained from bone oil as liquids, and having peculiar pungent odors. These alkaloids are also called respectively dimethyl pyridine, ethyl pyridine, etc.

The acid amide derived from malic acid, as a white crystalline substance metameric with asparagine.

Pertaining to, or designating, an acid of the ethylene series, metameric with fumaric acid and obtained by heating malic acid.

One of the serial segments, or metameres, of which the bodies of vertebrate and articulate animals are composed.

Other; duplicate, corresponding to; resembling; hence, metameric; as, meta-arabinic, metaldehyde.

The muscular system of one metamere of an articulate.

ix meaning new, recent, late; and in chemistry designating specifically that variety of metameric hydrocarbons which, when the name was applied, had been recently classified, and in which at least one carbon atom in connected directly with four other carbon atoms; -- contrasted with normal and iso-; as, neopentane; the…

A metameric segment of the cerebro-spinal nervous system.