[化] 胆钙化(甾,固)醇; 维生素D-3

[ noun ]
a fat-soluble vitamin that prevents rickets
<noun.substance>

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]