Definition of propylene glycol in English:

propylene glycol

Syllabification: pro·pyl·ene gly·col

noun

Chemistry
  • A liquid alcohol that is used as a solvent, in antifreeze, and in the food, plastics, and perfume industries.
    • Chemical formula: C3H6(OH)2: two isomers
    More example sentences
    • One solution has been the development of antifreezes that replace ethylene glycol with propylene glycol, a liquid that's nontoxic enough to be used as a sweetener in children's cough syrup.
    • Instead, purchase animal-friendly antifreeze, which contains propylene glycol rather than ethylene glycol, the center says.
    • Two of the coolants extensively used are ethylene glycol and propylene glycol.

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Pronunciation: kəːf
noun
a slit made by cutting with a saw