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vitamin a
 
Noun vitamin a has 1 sense
  1. 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
    --1 is a kind of fat-soluble vitamin
    --1 has particulars: vitamin A1, retinol; vitamin A2, dehydroretinol
vitalizer vitalizing vitally vitalness vitals vitaly vitamin-deficiency diet vitamin vitamin a vitamin a1 vitamin a2 vitamin b vitamin b complex vitamin b1 vitamin b2 vitamin b6 vitamin b12

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