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Word of the Day Tuesday, June 9, 2026

repressor

/riˈprɛsər/ noun · British & US
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What does repressor mean?

noun

A protein that binds to a specific DNA sequence and prevents the transcription of a gene. In psychology, a repressor is a defense mechanism that involves the unconscious suppression of thoughts or memories.

Example

"The repressor protein was found to be essential for the regulation of gene expression in the bacteria."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for repressor

Antonyms of repressor

Rhymes with repressor

Etymologically related