noun, plural: glycerols
(1) A colorless, odorless, viscous metabolic intermediate and structural component of the major classes of biological lipids, triglycerides and phosphatidyl phospholipids.
(2) 1,2,3-trihydroxy-propane or propan-1,2,3-triol; a trihydric alcohol derived from saponification of fats and oils.
For human consumption, glycerol is classified by the FDA among the sugar alcohols as a caloric macronutrient. It is used as antifreeze, a plasticizer, and a food sweetener and in the manufacture of dynamite, cosmetics etc.
Also called: glycerin or glycerine