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Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY

retinol

POS

Noun

HYPHEN

ret=i=nol

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WORDNET DICTIONARY

Noun retinol has 1 sense

retinol(n = noun.substance) vitamin a1 - an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene; Array

is a kind of a, antiophthalmic factor, axerophthol, vitamin a

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CIDE DICTIONARY

retinol, n. [Gr. resin + L. oleum oil.].

A hydrocarbon oil C32H16, obtained by the distillation of resin, -- used as a solvent, as an antiseptic, and in printer's ink. [1913 Webster]
One of the compounds which function as vitamin A. Called also vitamin A, vitamin A1 and vitamin A alcohol. See vitamin A1. [PJC]

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OXFORD DICTIONARY

retinol, n. a vitamin found in green and yellow vegetables, egg-yolk, and fish-liver oil, essential for growth and vision in dim light. Also called vitamin A.

Etymology

RETINA + -OL(1)

For further exploring for "retinol" in Webster Dictionary Online