cytokinin

[ sahy-tuh-kahy-nin ]
/ ˌsaɪ təˈkaɪ nɪn /

noun Biochemistry.

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.
Compare kinetin, zeatin.

Origin of cytokinin

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

Words nearby cytokinin

cytogeny, cytoglucopenia, cytoid, cytokine, cytokinesis, cytokinin, cytol., cytologic smear, cytologist, cytology, cytolysin

British Dictionary definitions for cytokinin

cytokinin
/ (ˌsaɪtəʊˈkaɪnɪn) /

noun

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

Scientific definitions for cytokinin

cytokinin
[ sī′tə-kī′nĭn ]

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.