axerophthol

n.

1.

a vitamin essential for normal vision (C20H30O); it prevents night blindness or inflammation or dryness of the eyes; same as vitamin A. One U.S.P. unit of vitamin A is equivalent to 0.30 micrograms of pure vitamin A alcohol.

Noun

1.

axerophthol - any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes Synonyms: antiophthalmic factor, vitamin A, A

A, antiophthalmic factor, dehydroretinol, fat-soluble vitamin, retinol, vitamin A, vitamin A1, vitamin A2