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1. Alkene hydrocarbon which contains a closed ring of carbon atoms, but has no aromatic character.
   "Due to geometrical considerations, smaller cycloalkenes are almost always the cis isomers, and the term cis tends to be omitted from the names.";
   - cycloolefin

Derived forms: cycloalkenes

Type of: alkene, olefin, olefine

Encyclopedia: Cycloalkene