(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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). propylene. Retrieved September 22, 2026, from http://smartdefine.org/propylene/definitions/2050015 |
| Chicago | Webster's. 2011. "propylene" http://smartdefine.org/propylene/definitions/2050015 (accessed September 22, 2026). |
| Harvard | Webster's 2011, propylene, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/propylene/definitions/2050015>. |
| MLA | Webster's. "propylene" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/propylene/definitions/2050015> |