cycloalkyl

C3Y4C3L1O1A1L1K5Y4L1

noun

Any univalent radical derived from a cycloalkane by removal of an atom of hydrogen

OriginEnglish alkyl ← Ancient Greek ῡ̔́λη (hū́lē) ← Proto-Indo-European *swel-der.? →
UncommonScrabble 24
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Meanings

nouncycloalkyl (plural cycloalkyls)

plural cycloalkyls

  1. chemistryAny univalent radical derived from a cycloalkane by removal of an atom of hydrogen

Origin

  1. Proto-Indo-European*kʷelh₁-redup.
  2. Proto-Indo-European*kʷékʷlos
  3. Proto-Hellenic*kʷókʷlos
  4. Proto-Hellenic*kúklos
  5. Ancient Greekκύκλος (kúklos)
  6. Late Latincyclus
  7. Middle Englishcicle
  8. Englishcycle
  9. Ancient Greekκύκλος (kúklos)
  10. Ancient Greekκυκλῐκός (kuklĭkós)
  11. Classical Latincyclicu
  12. Middle Frenchcyclique
  13. Frenchcyclique
  14. Classical Latincyclicus
  15. Englishcyclic
  16. Englishcyclo-
  17. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
  18. Aramaicכוחלא (kuḥlā)
  19. Arabicكُحْل (kuḥl)
  20. Andalusian Arabicكُحُول (kuḥūl)
  21. Medieval Latinalcoho
  22. Middle Englishalcofol
  23. Englishalc(ohol)
  24. Proto-Indo-European*swel-der.?
  25. Ancient Greekῡ̔́λη (hū́lē)
  26. Englishalkyl
  27. Englishcycloalkyl

From cyclo- + alkyl.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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