[ kar-ee-oh-ki-nee-sis, -kahy- ]
/ ˌkær i oʊ kɪˈni sɪs, -kaɪ- /

noun Cell Biology.

the series of active changes that take place in the nucleus of a living cell in the process of division.

Origin of karyokinesis

First recorded in 1880–85; karyo- + -kinesis

Related forms

kar·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. 2019

Examples from the Web for karyokinesis

British Dictionary definitions for karyokinesis


/ (ˌkærɪəʊkɪˈniːsɪs, -kaɪ-) /


the division of a cell nucleus in mitosis or meiosis

Derived Forms

karyokinetic (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

Medicine definitions for karyokinesis


[ kăr′ē-ō-kə-nēsĭs ]



Related forms

kar′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.