- vitamin A.
- Chemistry. a yellowish oil, C32H16, obtained by the distillation of resin, used as a solvent and as an antiseptic.
Origin of retinol
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for retinol
Historical Examples of retinol
Retinol, ret′i-nol, n. a hydro-carbon oil used in printers' ink.
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
- vitamin A
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- See vitamin A.
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