Search the Dictionary

Pertaining to, or obtained from, the poppy or opium; specif. (Chem.), designating an acid related to aconitic acid, found in opium and extracted as a white crystalline substance.

Pertaining to, or designating, an acid which occurs in opium, and which may be obtained by oxidizing narcotine.

A designer of medals. Macaulay.

To purpose; to intend; to design; to plan by revolving in the mind; as, to meditate a war. I meditate to pass the remainder of life in a state of undisturbed repose. Washington.

Pertaining to, or designating, a complex nitrogenous acid obtained by decomposition of melam, or of urea, as a white crystalline powder; -- called also melanurenic acid.

Pertaining to, or designating, an acid obtained from molasses or glucose, and probably identical with saccharic acid. See Saccharic.

Of, pertaining to, or obtained from, sweet clover or meliot; specifically, designating an acid of the aromatic series, obtained from melilot as a white crystalline substance.

or such as will bring the ordinary price; as, merchantable wheat; sometimes, a technical designation for a particular kind or class.

hich consists of only one atom. It was named by the alchemists after the god Mercury, and designated by his symbol, mercury.

A stone designating a limit or boundary; a landmark. Bacon.

Pertaining to, or designating, one of several isomeric acids obtained from citric acid.

Pertaining to, or designating, an acid called also inactive tartaric acid.

Pertaining to, or designating, an acid, CH2O2(CO2H)2, obtained from amido malonic acid.

Pertaining to, or designating, an acid (formerly called antimonic acid) analogous to metaphosphoric acid, and obtained as a white amorphous insoluble substance, (HSbO3).

Pertaining to, or designating, a supposed acid obtained from pectin.

Pertaining to, or designating, a monobasic acid, HPO3, analogous to nitric acid, and, by heating phosphoric acid, obtained as a crystalline substance, commonly called glacial phosphoric acid.

Designating an acid derived from silicic acid by the removal of water; of or pertaining to such an acid.

Pertaining to, or designating, a compound of tin (metastannic acid), obtained, as an isomeric modification of stannic acid, in the form of a white amorphous substance.

Of, pertaining to, or designating, an acid of titanium analogous to metasilicic acid.

Of, pertaining to, or designating, an acid known only in its salts (the metatungstates) and properly called polytungstic, or pyrotungstic, acid.