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.

Thesaurus

Noun

1.

axerophthol - any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes antiophthalmic factor, vitamin A, A fat-soluble vitamin - any vitamin that is soluble in fats retinol, vitamin A1 - an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene dehydroretinol, vitamin A2 - a viscous alcohol that is less active in mammals than is vitamin A1