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1. (n.) vitamin A
a yellow, fat-soluble terpene alcohol, C
2. (n.) vitamin A
a yellow oil, C
Etymology: (1930–35)
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| Definition of 'vitamin a' |
Princeton's WordNet |
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1. (noun) vitamin A, antiophthalmic factor, axerophthol, 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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| Definition of 'vitamin a' |
U.S. National Library of Medicine |
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1. vitamin a
Retinol and derivatives of retinol that play an essential role in metabolic functioning of the retina, the growth of and differentiation of epithelial tissue, the growth of bone, reproduction, and the immune response. Dietary vitamin A is derived from a variety of CAROTENOIDS found in plants. It is enriched in the liver, egg yolks, and the fat component of dairy products.
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| Alternative search options for 'vitamin a' |
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Definitions of vitamin a 
