mi·​to·​gen ˈmī-tə-jən How to pronounce mitogen (audio)
: a substance that induces mitosis
mitogenic adjective
mitogenicity noun

Examples of mitogen in a Sentence

Recent Examples on the Web The mitogen test indicated that even though Ewan’s T-cell count is low, his immune system works just fine. Hazlitt, 14 Dec. 2022

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

Word History


mitosis + -gen

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of mitogen was in 1946

Dictionary Entries Near mitogen

Cite this Entry

“Mitogen.” Dictionary, Merriam-Webster, Accessed 18 May. 2024.

Medical Definition


mi·​to·​gen ˈmīt-ə-jən How to pronounce mitogen (audio)
: a substance that induces mitosis
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