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Definition of 'd'


  1. a fat-soluble vitamin that prevents rickets
       Synonyms: vitamin D calciferol viosterol ergocalciferol cholecarciferol
  2. the cardinal number that is the product of one hundred and five
       Synonyms: five hundred 500
  3. the 4th letter of the Roman alphabet
       Synonyms: letter d


  1. denoting a quantity consisting of 500 items or units
       Synonyms: five hundred 500

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