corepressor

noun

co·​re·​pres·​sor ˌkō-ri-ˈpre-sər How to pronounce corepressor (audio)
: a small molecule that activates a particular genetic repressor by combining with it

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of corepressor was in 1961

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Cite this Entry

“Corepressor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/corepressor. Accessed 25 Nov. 2025.

Medical Definition

corepressor

noun
co·​re·​pres·​sor ˌkō-ri-ˈpres-ər How to pronounce corepressor (audio)
: a small molecule that activates a particular genetic repressor by combining with it
Last Updated: - Definition revised
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