- 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
Retinol, ret′i-nol, n. a hydro-carbon oil used in printers' ink.
C19: from Greek rhētinē resin + -ol 1
- See vitamin A.
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