Search Result for "propenal": 
Wordnet 3.0

NOUN (1)

1. a pungent colorless unsaturated liquid aldehyde made from propene;
[syn: propenal, acrolein]



WordNet (r) 3.0 (2006):

propenal
    n 1: a pungent colorless unsaturated liquid aldehyde made from
         propene [syn: propenal, acrolein]