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repressor

noun
re·​pres·​sor | \ ri-ˈpre-sər How to pronounce repressor (audio) \

Definition of repressor

: one that represses especially : a protein that is determined by a regulatory gene, binds to a genetic operator, and inhibits the initiation of transcription of messenger RNA

Examples of repressor in a Sentence

Recent Examples on the Web

 The cycle at the center of it—from gene activators to repressors and back—is highly regulated. — John Timmer, Ars Technica, "Nobel Prize goes to researchers who figured out how our cells tell time," 2 Oct. 2017

First Known Use of repressor

1584, in the meaning defined above

History and Etymology for repressor

New Latin

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More Definitions for repressor

repressor

noun
re·​pres·​sor | \ ri-ˈpres-ər How to pronounce repressor (audio) \

Medical Definition of repressor

: one that represses especially : a protein that is determined by a regulatory gene, binds to a genetic operator, and inhibits the initiation of transcription of messenger RNA

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