2 definitions
for vitamin D
From The Collaborative International Dictionary of English v.0.48 :
vitamin D \vitamin D\ n.
any of several chemically related fat-soluble vitamins that
prevent rickets. It is found in fish-liver oils, egg yolks
and milk. Component vitamin D2 is also called calciferol,
and vitamin D3 is called cholecalciferol.
Syn: calciferol, ergocalciferol, cholecalciferol.
[WordNet 1.5]
From WordNet (r) 2.0 :
vitamin D
n : a fat-soluble vitamin that prevents rickets [syn: calciferol,
viosterol, ergocalciferol, cholecarciferol, D]