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vitamin A1

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
n.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.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.vitamin A1vitamin A1 - an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene
retinol
antiophthalmic factor, axerophthol, vitamin A, A - any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes


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