propylene glycol
noun Chemistry.
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.
Origin of propylene glycol
First recorded in 1880–85
Words nearby propylene glycol
propyl aldehyde,
propyl group,
propyla,
propylaeum,
propylene,
propylene glycol,
propylene group,
propylhexedrine,
propylic,
propyliodone,
propylite
British Dictionary definitions for propylene glycol
propylene glycol
noun
a colourless viscous hydroscopic sweet-tasting compound used as an antifreeze and brake fluid. Formula: CH 3 CH(OH)CH 2 OH
Systematic name: 1,2-dihydroxypropane
Scientific definitions for propylene glycol
propylene glycol
A colorless, viscous liquid used in antifreeze solutions, in hydraulic fluids, and as a solvent. Unlike ethylene glycol, it is not toxic and is also used in foods, cosmetics, and oral hygiene products. Chemical formula: C3H8O2.