An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2. Its compounds are derived from aldehyde. Formerly called also ethidene.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ethylidene. Retrieved September 23, 2026, from http://smartdefine.org/ethylidene/definitions/2005038 |
| Chicago | Webster's. 2011. "ethylidene" http://smartdefine.org/ethylidene/definitions/2005038 (accessed September 23, 2026). |
| Harvard | Webster's 2011, ethylidene, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/ethylidene/definitions/2005038>. |
| MLA | Webster's. "ethylidene" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/ethylidene/definitions/2005038> |