karyokinesisEnglishOxford Dictionary of Englishkaryokinesis /ˌkariə(ʊ)kɪˈniːsɪs , ˌkariə(ʊ)kʌɪˈniːsɪs / ▸ noun [mass noun] Biology division of a cell nucleus during mitosis. – ORIGIN late 19th century: from karyo- ‘cell nucleus’ + Greek kinēsis ‘movement’ (from kinein ‘to move’).