D defs.my
Entry 1 sense Webster, 1913

vitamin A1

· IPA
01 n. retinol (C20H30O), one of the substances also called vitamin A. It is also called more specifically vitamin A alcohol. It is a required f…
  1. 1.
    retinol (C20H30O), one of the substances also called vitamin A. It is also called more specifically vitamin A alcohol. It is a required factor for human nutrition. The USP unit of activity is equal to 0.30 micrograms of retinol. Also: vitamin A, vitamin A alcohol
Syn. retinol.