• synonyms


[kar-ee-oh-ki-nee-sis, -kahy-]
noun Cell Biology.
  1. mitosis.
  2. the series of active changes that take place in the nucleus of a living cell in the process of division.
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Origin of karyokinesis

First recorded in 1880–85; karyo- + -kinesis
Related formskar·y·o·ki·net·ic [kar-ee-oh-ki-net-ik, -kahy-] /ˌkær i oʊ kɪˈnɛt ɪk, -kaɪ-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for karyokinesis

Historical Examples of karyokinesis

  • It is needless to say that I refer to the phenomena of karyokinesis.

    Darwin, and After Darwin (Vol. 1 and 3, of 3)

    George John Romanes

  • This process of cell division is known as karyokinesis or aryomitosis.

  • Other phenomena of karyokinesis may also be closely imitated by diffusion.

  • Here, then (Fig. 29), we see the complex processes of karyokinesis in the first two stages of egg-cell division.

  • In the study of karyokinesis, importance has been attached to the number of chromosomes in the nucleus of the cell.

British Dictionary definitions for karyokinesis


  1. the division of a cell nucleus in mitosis or meiosis
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Derived Formskaryokinetic (ˌkærɪəʊkɪˈnɛtɪk, -kaɪ-), adjective

Word Origin for karyokinesis

C19: from karyo- + Greek kinēsis movement
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

karyokinesis in Medicine


  1. mitosis
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Related formskar′y•o•ki•netic (-nĕtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.