This shows grade level based on the word's complexity.
retinol
[ ret-n-awl, -ol ]
/ ˈrɛt nˌɔl, -ˌɒl /
Save This Word!
This shows grade level based on the word's complexity.
noun
Chemistry. a yellowish oil, C32H16, obtained by the distillation of resin, used as a solvent and as an antiseptic.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachImprove Your Writing
Words nearby retinol
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use retinol in a sentence
If you’ve never used a retinol before, start by applying sparingly every second or third night for the first two weeks.
It's also the first-hand cream I've used that contains retinol, an ingredient more commonly found in pricey facial serums, which explains the $45 price tag on a 30ml tube.
I'm a Professional Hand Model – This Is The Best Hand Cream Ever|Amber Gibson|May 7, 2021|The Daily BeastRetinol, ret′i-nol, n. a hydro-carbon oil used in printers' ink.
British Dictionary definitions for retinol
Word Origin for retinol
C19: from Greek rhētinē resin + -ol 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for retinol
retinol
[ rĕt′n-ôl′, -ōl′ ]
n.
vitamin A
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for retinol
retinol
[ rĕt′n-ôl′ ]
See vitamin A.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.