antiophthalmic factor

antiophthalmic factor
noun
any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
Syn: ↑vitamin A, ↑axerophthol, ↑A
Hypernyms: ↑fat-soluble vitamin
Hyponyms: ↑vitamin A1, ↑retinol, ↑vitamin A2, ↑dehydroretinol

Useful english dictionary. 2012.

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  • fat-soluble vitamin — noun any vitamin that is soluble in fats • Hypernyms: ↑vitamin • Hyponyms: ↑vitamin A, ↑antiophthalmic factor, ↑axerophthol, ↑A, ↑vitamin D, ↑calciferol, ↑ …   Useful english dictionary

  • 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. Syn:… …   The Collaborative International Dictionary of English

  • C20H30O — axerophthol 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… …   The Collaborative International Dictionary of English

  • vitamin A — n. any of several related fat soluble vitamins (such as retinol) essential for normal vision; it also prevents night blindness or inflammation or dryness of the eyes. Syn: antiophthalmic factor, axerophthol. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • vitamin A — axerophthol 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… …   The Collaborative International Dictionary of English

  • axerophthol — noun any of several fat soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes • Syn: ↑vitamin A, ↑antiophthalmic factor, ↑A • Hypernyms: ↑fat soluble vitamin • Hyponyms: ↑vitamin A1 …   Useful english dictionary

  • dehydroretinol — noun a viscous alcohol that is less active in mammals than is vitamin A1 • Syn: ↑vitamin A2 • Hypernyms: ↑vitamin A, ↑antiophthalmic factor, ↑axerophthol, ↑A …   Useful english dictionary

  • vitamin A — noun any of several fat soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes • Syn: ↑antiophthalmic factor, ↑axerophthol, ↑A • Hypernyms: ↑fat soluble vitamin • Hyponyms: ↑vitamin …   Useful english dictionary

  • vitamin A1 — noun an unsaturated alcohol that occurs in marine fish liver oils and is synthesized biologically from carotene • Syn: ↑retinol • Hypernyms: ↑vitamin A, ↑antiophthalmic factor, ↑axerophthol, ↑A * * * noun see …   Useful english dictionary

  • vitamin A2 — noun a viscous alcohol that is less active in mammals than is vitamin A1 • Syn: ↑dehydroretinol • Hypernyms: ↑vitamin A, ↑antiophthalmic factor, ↑axerophthol, ↑A * * * noun see vitamin A …   Useful english dictionary

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