cetyl alcohol

noun

ce·​tyl alcohol ˈsē-tᵊl- How to pronounce cetyl alcohol (audio)
: a waxy crystalline alcohol C16H34O obtained by the saponification of spermaceti or the hydrogenation of palmitic acid and used especially in pharmaceutical and cosmetic preparations and in making detergents

Word History

Etymology

International Scientific Vocabulary cet- (from Latin cetus whale) + -yl; from its occurrence in spermaceti

First Known Use

1863, in the meaning defined above

Time Traveler
The first known use of cetyl alcohol was in 1863

Browse Nearby Words

Cite this Entry

“Cetyl alcohol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cetyl%20alcohol. Accessed 3 Jul. 2026.

Kids Definition

cetyl alcohol

noun
ce·​tyl alcohol ˌsēt-ᵊl- How to pronounce cetyl alcohol (audio)
: a waxy crystalline alcohol used especially in cosmetics, drugs, and detergents

Medical Definition

cetyl alcohol

noun
: a waxy crystalline alcohol C16H34O obtained by the saponification of spermaceti or the hydrogenation of palmitic acid and used especially in pharmaceutical and cosmetic preparations and in making detergents

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