propylene glycol

noun

Definition of propylene glycol

: a sweet hygroscopic viscous liquid C3H8O2 made especially from propylene and used especially as an antifreeze and solvent, in brake fluids, and as a food preservative

Recent Examples of propylene glycol from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'propylene glycol.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of propylene glycol

1870

in the meaning defined above

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Medical Dictionary

propylene glycol

noun

medical Definition of propylene glycol

: a sweet hygroscopic viscous liquid C3H8O2 made especially from propylene and used especially as an antifreeze and solvent, in brake fluids, and as a food preservative

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