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. Also called: kinin. any of a group of plant hormones that promote cell division and retard ageing in plants

cytokinin

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.

Word History and Origins

Origin of cytokinin¹

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

Example Sentences

Plant hormones like auxin and cytokinin have been connected to the angle of root growth in the past, but the mechanisms of that connection have remained poorly understood.

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