Meanings
nouncycloheptatriene (plural cycloheptatrienes)
plural cycloheptatrienes
- chemistryA cycloalkene having a seven-membered ring and three double bonds; removal of a hydride ion produces the aromatic tropylium ion
Origin
- Proto-Indo-European*kʷelh₁-redup.
- Proto-Indo-European*kʷékʷlos
- Proto-Hellenic*kʷókʷlos
- Proto-Hellenic*kúklos
- Ancient Greekκύκλος (kúklos)
- Late Latincyclus
- Middle Englishcicle
- Englishcycle
- Ancient Greekκύκλος (kúklos)
- Ancient Greekκυκλῐκός (kuklĭkós)
- Classical Latincyclicu
- Middle Frenchcyclique
- Frenchcyclique
- Classical Latincyclicus
- Englishcyclic
- Englishcyclo-
- Englishheptatriene
- Englishcycloheptatriene
From cyclo- + heptatriene.
Full word history & related roots →Cite this entry
APA
cycloheptatriene. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cycloheptatriene
MLA
“cycloheptatriene.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cycloheptatriene. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “cycloheptatriene,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cycloheptatriene.
Source: cycloheptatriene on Wiktionary, CC BY-SA 4.0.