retinol

[ ret-n-awl, -ol ]
/ ˈrɛt nˌɔl, -ˌɒl /

noun

Chemistry. a yellowish oil, C32H16, obtained by the distillation of resin, used as a solvent and as an antiseptic.

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Origin of retinol

1830–40; <Greek rhētī́n(ē) resin + -ol1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for retinol

British Dictionary definitions for retinol

retinol
/ (ˈrɛtɪˌnɒl) /

noun

another name for vitamin A2
another name for rosin oil

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
[ rĕtn-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
[ rĕtn-ôl′ ]

See vitamin A.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.