<chemistry> A thick, colourless liquid, C2H4(OH)2, of a sweetish taste, produced artificially from certain ethylene compounds. It is a diacid alcohol, intermediate between ordinary ethyl alcohol and glycerin.

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

Origin: Glycerin + -ol. See Glycerin.

(01 Mar 1998)