D defs.my
Entry 1 sense Webster, 1913

vitamin A2

· IPA
01 n. dehydroretinol (C20H28O), one of the substances also called vitamin A. It has about 40% of the bioactivity of vitamin A1.
  1. 1.
    dehydroretinol (C20H28O), one of the substances also called vitamin A. It has about 40% of the bioactivity of vitamin A1. Also: vitamin A