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
-
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.
Over-the-counter products containing adapalene and retinol creams can also help.
From Los Angeles Times ● Oct. 13, 2026
Medieval pilgrims may have had faith; I had lightweight REI clothing, moleskin, Hokas and retinol.
From The Wall Street Journal ● Aug. 25, 2026
She recommends focusing on how high up the active ingredient - the one that triggers the effect, like retinol or vitamin C - is in the ingredients list.
From BBC ● Dec. 13, 2025
Maybe your skin will look fab as you age—but will it be thanks to the peptides, or the retinol, or your genes, or something else?
From Slate ● May 4, 2025
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
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
