n. The common name for the organic chemical compound propene. An alkene which is a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C3H6.
the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. A gaseous hydrocarbon (C3H6), belonging to the series of olefines.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a flammable gas obtained by cracking petroleum; used in organic synthesis
Word Usage
"Second, he foresees a growing demand for ethylene co-products, namely propylene and butadiene, which may also encourage heavier feed slates in olefin crackers."