Retinol \Ret"i*nol\, n. [Gr. ??? resin + L. oleum oil.]
1. (Chem.) A hydrocarbon oil {C32H16}, obtained by the
distillation of resin, -- used as a solvent, as an
antiseptic, and in printer's ink.
[1913 Webster +PJC]
2. One of the compounds which function as vitamin A. Called
also {vitamin A}, {vitamin A1} and {vitamin A alcohol}.
See {vitamin A1}.
[PJC]