cumulene
Noun. (organic chemistry) Any hydrocarbon (or derivative) having three or more cumulative double bonds e.g. R2C=C=C=CR2.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.