Search Result for "putrescine": 
Wordnet 3.0

NOUN (1)

1. a colorless crystalline ptomaine with a foul odor that is produced in decaying animal matter; 



WordNet (r) 3.0 (2006):

putrescine
    n 1: a colorless crystalline ptomaine with a foul odor that is
         produced in decaying animal matter