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cytokinin

[ sahy-tuh-kahy-nin ]

noun

, Biochemistry.
  1. any of a class of plant hormones, produced by the roots and traveling upward through the xylem, that promote tissue growth and budding and, on application, retard plant senescence.


cytokinin

/ ˌsaɪtəʊˈkaɪnɪn /

noun

  1. any of a group of plant hormones that promote cell division and retard ageing in plants Also calledkinin
“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


cytokinin

/ sī′tə-kīnĭn /

  1. Any of a class of plant hormones that promote cell division and growth and delay the senescence of leaves. Cytokinins are synthesized mainly in root tips.


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Word History and Origins

Origin of cytokinin1

First recorded in 1960–65; cyto- + -kinin

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cytokine stormcytol.