Real Dictionary

glycerol in American English
an odorless, colorless, syrupy liquid, C3H5(OH)3, prepared by the hydrolysis of fats and oils: it is used as a solvent, skin lotion, food preservative, etc., and in the manufacture of explosives, alkyd resins, etc.
noun: a colorless, odorless, syrupy, sweet liquid, C3H8O3, usually obtained by the saponification of natural fats and oils: used for sweetening and preserving food, in the manufacture of cosmetics, perfumes, inks, and certain glues and cements, as a solvent and

glycerol in British English
noun: a colourless or pale yellow odourless sweet-tasting syrupy liquid; 1,2,3-propanetriol: a by-product of soap manufacture, used as a solvent, antifreeze, plasticizer, and sweetener (E422). Formula: C3H8O3