vitamin a1

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WORDNET DICTIONARY

Noun vitamin a1 has 1 sense

vitamin a1(n = noun.substance) retinol - an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene; Array

is a kind of a, antiophthalmic factor, axerophthol, vitamin a

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CIDE DICTIONARY

vitamin a1, n.

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. [WordNet 1.5]

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