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pro'pylene gly'col

a colorless, viscous, hygroscopic liquid, C3H8O, used chiefly as a lubricant, as an antifreeze, as a heat transfer fluid, and as a solvent for fats, oils, waxes, and resins.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

propylenepropylene group
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