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Related to glycerol: propylene glycol
A syrupy, sweet, colorless or yellowish liquid triol, C3H8O3, obtained from fats and oils as a byproduct of saponification and used as a solvent, antifreeze, plasticizer, and sweetener and in the manufacture of dynamite, cosmetics, liquid soaps, inks, and lubricants.
(Chemistry) 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. Also called (not in technical usage): glycerine or glycerin
[C19: from glycer(ine) + -ol1]
glyc•er•ol(ˈglɪs əˌrɔl, -ˌrɒl)
a colorless liquid, C3H8O3, used as a sweetener and preservative, and in suppositories and skin emollients.
A sweet, syrupy liquid obtained from animal fats and oils or by the fermentation of glucose. It is used as a solvent, sweetener, and antifreeze and in making explosives and soaps. Also called glycerin.