Definify.com
Webster 1913 Edition
Propylene
Pro′pyl-ene
,Noun.
[Cf. F.
propylène
.] (Chem.)
A colorless gaseous hydrocarbon (
C3H6
) of the ethylene series, having a garlic odor. It occurs in coal gas, and is produced artificially in various ways. Called also propene
.