retinol

• POS: Noun
• HYPHEN: ret=i=nol

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]

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)