phy·​to·​hor·​mone ˌfī-tō-ˈhȯr-ˌmōn How to pronounce phytohormone (audio)

Examples of phytohormone in a Sentence

Recent Examples on the Web Kelp’s main phytohormones are auxin, gibberellin and cytokinin. Jeff Lowenfels, Anchorage Daily News, 20 Apr. 2023 More important, however, are the phytohormones contained in kelp. Jeff Lowenfels, Anchorage Daily News, 20 Apr. 2023

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

Word History


borrowed from German Phytohormon, from phyto- phyto- + Hormon hormone

First Known Use

1933, in the meaning defined above

Time Traveler
The first known use of phytohormone was in 1933

Dictionary Entries Near phytohormone

Cite this Entry

“Phytohormone.” Dictionary, Merriam-Webster, Accessed 13 Jul. 2024.

Medical Definition


phy·​to·​hor·​mone ˈfīt-ə-ˈhȯr-ˌmōn How to pronounce phytohormone (audio)
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