tricyclo

T1R1I1C3Y4C3L1O1

adjective

Describing a molecular structure having three rings (either fused, or having a common bridgehead atom)

OriginEnglish cyclo- ← Classical Latin cyclicus ← French cyclique →
Scrabble 15
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Meanings

adjectivetricyclo (not comparable)
  1. in compoundsnot comparablechemistryDescribing a molecular structure having three rings (either fused, or having a common bridgehead atom)

Origin

  1. Proto-Indo-European*tréyes
  2. Proto-Indo-European*tri-
  3. Proto-Italic*tri-
  4. Latintri-
  5. Englishtri-
  6. Proto-Indo-European*kʷelh₁-redup.
  7. Proto-Indo-European*kʷékʷlos
  8. Proto-Hellenic*kʷókʷlos
  9. Proto-Hellenic*kúklos
  10. Ancient Greekκύκλος (kúklos)
  11. Late Latincyclus
  12. Middle Englishcicle
  13. Englishcycle
  14. Ancient Greekκύκλος (kúklos)
  15. Ancient Greekκυκλῐκός (kuklĭkós)
  16. Classical Latincyclicu
  17. Middle Frenchcyclique
  18. Frenchcyclique
  19. Classical Latincyclicus
  20. Englishcyclic
  21. Englishcyclo-
  22. Englishtricyclo

From tri- + cyclo-.

Full word history & related roots →
Cite this entry
APA

tricyclo. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tricyclo

MLA

“tricyclo.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tricyclo. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “tricyclo,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tricyclo.

Source: tricyclo on Wiktionary, CC BY-SA 4.0.