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Any one of the large class of diacid alcohols, of which glycol proper is the type.

Pertaining to, or derived from, glycol; as, glycolic ether; glycolic acid. Glycolic acid (Chem.), an organic acid, found naturally in unripe grapes and in the leaves of the wild grape (Ampelopsis quinquefolia), and produced artificially in many ways, as by the oxidation of glycol, -- whence its name. It is a sirupy, or…

A white amorphous powder, C4H4O, obtained by heating and dehydrating glycolic acid. [Written also glycollide.]

Pertaining to, derived from, glycol and urea; as, glycoluric acid, which is called also hydantoic acid.

A white, crystalline, nitrogenous substance, obtained by the reduction of allantoïn.

A divalent, compound radical, CO.CH2, regarded as the essential radical of glycolic acid, and a large series of related compounds.

obtained from the alga Protococcus vulgaris. It is a tetrabasic alcohol, corresponding to glycol and glycerin.

A white, amorphous, deliquescent powder, (CO.H)2, obtained by the partial oxidation of glycol. It is a double aldehyde, between glycol and oxalic acid.

Pertaining to, or designating, an aldehyde acid, intermediate between glycol and oxalic acid. [Written also glyoxylic.]

Pertaining to, or derived from, hydantoin. See Glycoluric.

from allantion, as a white, crystalline substance, with a sweetish taste; -- called also glycolyl urea.

binary compound; as, oxide, sulphide, chloride. (b) A compound which is an anhydride; as, glycolide, phthalide. (c) Any one of a series of derivatives; as, indogenide, glucoside, etc.

aldehyde (oil of better almonds), as a white crystalline substance; -- called also phenyl glycolic acid.

Hydroxyacetic; designating an acid called also glycolic acid.

A white crystalline substance related to the glycols, and made from acetone; hence, by extension, any one of a series of substances of which pinacone proper is the type. [Written also pinakone.]