cytokinesis

noun

cy·​to·​ki·​ne·​sis ˌsī-tō-kə-ˈnē-səs How to pronounce cytokinesis (audio)
-kī-
1
: the cytoplasmic changes accompanying mitosis
2
: cleavage of the cytoplasm into daughter cells following nuclear division
cytokinetic adjective

Examples of cytokinesis in a Sentence

Recent Examples on the Web Successful embryos had an initial cytokinesis, or division of the cell’s cytoplasm, lasting between 0 and 33 minutes, a gap between first and second cell divisions lasting 7.8 – 14.3 hours, and an interval between second and third cell divisions of 0 – 5.8 hours. Andrew Moseman, Discover Magazine, 4 Oct. 2010 Explore photosynthesis, osmosis, nitrogen fixation, and other life processes • Investigate the cell cycle (mitosis and cytokinesis) • Bruce Sterling, WIRED, 28 Apr. 2012

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cytokinesis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin

First Known Use

1898, in the meaning defined at sense 1

Time Traveler
The first known use of cytokinesis was in 1898

Dictionary Entries Near cytokinesis

Cite this Entry

“Cytokinesis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cytokinesis. Accessed 18 Apr. 2024.

Medical Definition

cytokinesis

noun
cy·​to·​ki·​ne·​sis ˌsīt-ō-kə-ˈnē-səs, -kī- How to pronounce cytokinesis (audio)
plural cytokineses -ˌsēz How to pronounce cytokinesis (audio)
1
: the cytoplasmic changes accompanying mitosis
2
: cleavage of the cytoplasm into daughter cells following nuclear division compare karyokinesis
cytokinetic adjective

More from Merriam-Webster on cytokinesis

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!