oncogenesis

noun

on·​co·​gen·​e·​sis ˌäŋ-kō-ˈje-nə-səs How to pronounce oncogenesis (audio)
: the induction or formation of tumors

Examples of oncogenesis in a Sentence

Recent Examples on the Web
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Adaptive oncogenesis attributes that in large part to the tissue damage induced by what is supposed to be a beneficial therapy. James Degregori, STAT, 27 June 2018

Word History

Etymology

onco- + genesis

First Known Use

circa 1932, in the meaning defined above

Time Traveler
The first known use of oncogenesis was circa 1932

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Cite this Entry

“Oncogenesis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oncogenesis. Accessed 6 Jul. 2026.

Medical Definition

oncogenesis

noun
on·​co·​gen·​e·​sis ˌäŋ-kō-ˈjen-ə-səs How to pronounce oncogenesis (audio)
plural oncogeneses -ˌsēz How to pronounce oncogenesis (audio)
: the induction or formation of tumors
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