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 (kăr′ē-ō-kə-nē′sĭs, -kī-)
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌkærɪəʊkɪˈniːsɪs; -kaɪ-)
(Biology) the division of a cell nucleus in mitosis or meiosis
[C19: from karyo- + Greek kinēsis movement]
karyokinetic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌkær i oʊ kɪˈni sɪs, -kaɪ-)

the series of changes that take place in a dividing cell nucleus; mitosis or meiosis.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.karyokinesis - organic process consisting of the division of the nucleus of a cell during mitosis or meiosis
meiosis, miosis, reduction division - (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)
mitosis - cell division in which the nucleus divides into nuclei containing the same number of chromosomes
biological process, organic process - a process occurring in living organisms
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
NDI is an important tool to evaluate possible interferences of test substances in the cytokinesis and karyokinesis mechanisms (Fenech, 2000).
More mature sporangia containing multiple nuclei that result from karyokinesis. Cytokinesis then occurs resulting in endospore production in the sporangia.
(a) Histological examination showed crowded cells in the liver, striking karyokinesis, and a significantly increased karyoplasmic ratio (x100).
In the final trimester and early postnatal life, these cardiomyocytes cease as one or both processes stop, namely, karyokinesis (division of the nucleus) and cytokinesis (division of the cytoplasm) [10].
Cells have big nuclei with hyperchromatism and pleomorphism, and karyokinesis is increased (a, 20x).