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cyclin Syllabification: cy·clin
Pronunciation: /ˈsīklən/

Definition of cyclin in English:


Any of a number of proteins associated with the cycle of cell division that are thought to initiate certain processes of mitosis.
Example sentences
  • Proteasome degradation of cyclins involved in cell cycle regulation has been well documented.
  • Tyrosine kinases associated with cyclins have also been shown to be affected by vitamin K, which can lead to cell cycle arrest and cell death.
  • In general, cyclins are proteins that regulate the cell cycle by combining with cyclin dependent kinases to form an enzymatic complex.


1980s: from cycle + -in1.

Definition of cyclin in:
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