Search Result for "ergosterol": 
Wordnet 3.0

NOUN (1)

1. a plant sterol that is converted into vitamin D by ultraviolet radiation; 



The Collaborative International Dictionary of English v.0.48:

ergosterol \ergosterol\ n.
   a plant sterol that is converted into vitamin D by
   ultraviolet radiation.
   [WordNet 1.5]


WordNet (r) 3.0 (2006):

ergosterol
    n 1: a plant sterol that is converted into vitamin D by
         ultraviolet radiation