リプレッサーalso: レプレッサーMeanings1nounrepressorbiologyBiology term for a protein that binds to an operator and inhibits gene transcription.リプレッサーがオペレーターに結けつ合ごうすると、転てん写しゃが抑よく制せいされる。When the repressor binds to the operator, transcription is inhibited.