cyclin

C3Y4C3L1I1N1

noun

Any of a group of proteins whose presence in a cell varies through its cycle, and that regulates this cycle by forming a complex with kinase

OriginEnglish cycle ← Middle English cicle ← Late Latin cyclus →
Less commonScrabble 13
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Meanings

nouncyclin (plural cyclins)

plural cyclins

  1. biochemistryAny of a group of proteins whose presence in a cell varies through its cycle, and that regulates this cycle by forming a complex with kinase

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. Englishcyclin

From cycle + -in.

Full word history & related roots →

Translations

Turkish siklin
  • siklinproteins that regulate cell cycle
Cite this entry
APA

cyclin. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/cyclin

MLA

“cyclin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cyclin. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “cyclin,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/cyclin.

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