Lysenkoism

noun

Ly·​sen·​ko·​ism lə-ˈseŋ-kō-ˌi-zəm How to pronounce Lysenkoism (audio)
: a biological doctrine asserting the fundamental influence of somatic and environmental factors on heredity in contradiction of orthodox genetics

Word History

Etymology

Trofim lysenko + -ism

First Known Use

1948, in the meaning defined above

Time Traveler
The first known use of Lysenkoism was in 1948

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Cite this Entry

“Lysenkoism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Lysenkoism. Accessed 6 Nov. 2025.

Medical Definition

Lysenkoism

noun
Ly·​sen·​ko·​ism lə-ˈseŋ-kō-ˌiz-əm How to pronounce Lysenkoism (audio)
: a biological doctrine asserting the fundamental influence of somatic and environmental factors on heredity in contradiction of orthodox genetics

called also Michurinism

Last Updated: - Definition revised
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