ergocalciferol

from WordNet (r) 3.0 (2006)

ergocalciferol
    n 1: a fat-soluble vitamin that prevents rickets [syn: {vitamin
         D}, {calciferol}, {viosterol}, {ergocalciferol},
         {cholecalciferol}, {D}]

from The Collaborative International Dictionary of English v.0.48

ergocalciferol \ergocalciferol\ n.
   vitamin D2, one of the D vitamins, a group of related
   substances that prevent rickets.

   Syn: vitamin D, calciferol, cholecarciferol, D.
        [WordNet 1.5 +PJC]

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