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retinol
[ ret-n-awl, -ol ]
/ ˈrɛt nˌɔl, -ˌɒl /
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noun
Chemistry. a yellowish oil, C32H16, obtained by the distillation of resin, used as a solvent and as an antiseptic.
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Words nearby retinol
retinite, retinitis, retinitis pigmentosa, retinoblastoma, retinoid, retinol, retinopathy, retinoscope, retinoscopy, retinue, retinula
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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
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.