Search Result for "alkene": 
Wordnet 3.0

NOUN (1)

1. any unsaturated aliphatic hydrocarbon;
[syn: alkene, olefine, olefin]



WordNet (r) 3.0 (2006):

alkene
    n 1: any unsaturated aliphatic hydrocarbon [syn: alkene,
         olefine, olefin]