• Glycerol

  Glycerol (; also called glycerine or glycerin; see spelling differences) is a simple polyol compound. It is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. The glycerol backbone is found in many lipids which are known as glycerides. It is widely used in the food industry as a sweetener and humectant and in pharmaceutical formulations. Glycerol has three hydroxyl groups that are responsible for its solubility in water and its hygroscopic nature.

• Glycerin (noun)

  alternative spelling of glycerine.

• Glycerol (noun)

  1,2,3-trihydroxy-propane or propan-1,2,3-triol; a trihydric alcohol

• 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.

• Glycerol (noun)

  a colourless, sweet, viscous liquid formed as a by-product in soap manufacture. It is used as an emollient and laxative, and for making explosives and antifreeze.

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