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corepressor

American

[koh-ri-pres-er] / ˌkoʊ rɪˈprɛs ər /

noun

Genetics.

a molecule that is capable of combining with a specific repressor molecule and activating it, thereby blocking gene transcription.

First recorded in 1960–65; co- + repressor

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023