Definify.com
Webster 1913 Edition
Glycol
Gly′col
,Noun.
(Chem.)
(a)
A thick, colorless 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. (b)
Any one of the large class of diacid alcohols, of which glycol proper is the type.