(n.) Olefiant gas or ethylene; hence, by extension, any one of the series of unsaturated hydrocarbons of which ethylene is a type. See Ethylene.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). olefine. Retrieved September 23, 2026, from http://smartdefine.org/olefine/definitions/2038615 |
| Chicago | Webster's. 2011. "olefine" http://smartdefine.org/olefine/definitions/2038615 (accessed September 23, 2026). |
| Harvard | Webster's 2011, olefine, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/olefine/definitions/2038615>. |
| MLA | Webster's. "olefine" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/olefine/definitions/2038615> |