cy·​to·​ki·​nin ˌsī-tə-ˈkī-nən How to pronounce cytokinin (audio)
: any of various plant growth substances (such as kinetin) that are usually derivatives of adenine

Examples of cytokinin in a Sentence

Recent Examples on the Web Plants control their root length and root direction, and development using hormones called auxins, and cytokinins, to name a few. Elizabeth Gamillo, Discover Magazine, 13 July 2023 The other chemicals include vitamins, minerals (including the electrolytes sodium and potassium), and plant hormones like cytokinins (that may benefit the body in various ways). Alexandra Hansen, Quartzy, 5 Nov. 2019

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

Word History


cyt- + kinin

First Known Use

1965, in the meaning defined above

Time Traveler
The first known use of cytokinin was in 1965

Dictionary Entries Near cytokinin

Cite this Entry

“Cytokinin.” Dictionary, Merriam-Webster, Accessed 4 Mar. 2024.

Medical Definition


cy·​to·​ki·​nin ˌsīt-ə-ˈkī-nən How to pronounce cytokinin (audio)
: any of various plant growth substances that are usually derivatives of adenine

More from Merriam-Webster on cytokinin

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