Search Result for "purine": 
Wordnet 3.0

NOUN (2)

1. any of several bases that are derivatives of purine;

2. a colorless crystalline organic base containing nitrogen; the parent compound of various biologically important substances; 



WordNet (r) 3.0 (2006):

purine
    n 1: any of several bases that are derivatives of purine
    2: a colorless crystalline organic base containing nitrogen; the
       parent compound of various biologically important substances