Meanings
nounpropylene glycol (countable and uncountable, plural propylene glycols)
plural propylene glycols
- uncountablechemistryα-propyleneglycol, 1,2-propanediol, CH₃CH(OH)CH₂OH, a thick oily liquid, used as an antifreeze and in many industrial applications
- countablechemistrypropandiol, any propane chain with two alcohol functional groups attached
Synonyms & antonyms
Similar
E1520PG1,2-propanediol / 1,2-propandiolpropane-1,2-diol / propan-1,2-diolCH3CH(OH)CH2OHpropandiolpropanediolC3H6(OH)2
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-propyleneglycolpropan-1,1-diolpropan-1,3-diol2CH2)propan-2,2-diol2C(OH)2)propan-1,2-diol
nouna sweet colorless, viscous, hygroscopic liquid used as an antifreeze and in brake fluid and also as a humectant in cosmetics and personal care items although it can be absorbed through the skin with harmful effects
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Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
propylene glycol. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/propylene%20glycol
MLA
“propylene glycol.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/propylene%20glycol. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “propylene glycol,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/propylene%20glycol.
Source: propylene glycol on Wiktionary, CC BY-SA 4.0.