repressor

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noun re·pres·sor \ri-ˈpre-sər\

Definition of repressor

  1. :  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

Origin and Etymology of repressor

New Latin


First Known Use: 1611


Medical Dictionary

repressor

play
noun re·pres·sor \ri-ˈpres-ər\

Medical Definition of repressor

  1. :  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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