retinol
Americannoun
-
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
-
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.
Medieval pilgrims may have had faith; I had lightweight REI clothing, moleskin, Hokas and retinol.
From The Wall Street Journal ● Aug. 25, 2026
One of the most powerful is retinol, which works by speeding up skin cell turnover, which can help reduce fine lines and wrinkles.
From BBC ● Jun. 6, 2026
In a few years, the focus might shift to retinol, or niacinamide acid.
From Slate ● May 4, 2025
Beauty-store barbarian Sephora tweens stampeding through skin-care aisles and slathering their baby faces in retinol?
From Los Angeles Times ● Mar. 22, 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
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.
