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definitions

retinol

[ret-n-awl, -ol]
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noun

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

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Nearby words

  1. retinochoroiditis,
  2. retinochoroiditis juxtapapillaris,
  3. retinodialysis,
  4. retinoic acid,
  5. retinoid,
  6. retinol dehydrogenase,
  7. retinopapillitis,
  8. retinopathy,
  9. retinopathy of prematurity,
  10. retinopexy

Origin of retinol

1830–40; < Greek rhētī́n(ē) resin + -ol1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for retinol

British Dictionary definitions for retinol

retinol

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
Medicine 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.
Science 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.