Definition of glycerol

  1. glycerol Noun 1,2,3-trihydroxy-propane or propan-1,2,3-triol; a trihydric alcohol
  2. glycerol Noun A syrupy sweet liquid obtained as a by-product in the manufacture of soap from animal or vegetable oils and fats; it is used as an antifreeze, a plasticizer, and a food sweetener and in the manufacture of dynamite, cosmetics etc.
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