retinol
Americannoun
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Chemistry. a yellowish oil, C 3 2 H 1 6 , obtained by the distillation of resin, used as a solvent and as an antiseptic.
noun
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another name for vitamin A2
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another name for rosin oil
Etymology
Origin of retinol
First recorded in 1830–40; from Greek rhētī́n(e) “resin” ( see resin) + -ol 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Rather than try one of the many remedies being promoted online, she slathered her neck with a retinol face cream and wrapped it in plastic wrap from her kitchen.
From The Wall Street Journal ● Mar. 27, 2026
In a few years, the focus might shift to retinol, or niacinamide acid.
From Slate ● May 4, 2025
Since then, I’ve religiously followed a retinol and sunscreen regime, but I still found the bags under my eyes growing and growing.
From Los Angeles Times ● Aug. 9, 2024
Ingredients like retinol or skin care routines that involve multiple steps may not be suitable for people in their teens, they note.
From New York Times ● Mar. 16, 2024
A lot of the products in these brands contain ingredients intended for older skin, like retinol or acids.
From BBC ● Feb. 10, 2024
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
