Definitions

1. noun

A molecule, such as a protein, that binds to a specific DNA sequence and prevents transcription of the associated gene.

“The repressor protein binds to the operator region of the lac operon, preventing the transcription of the lac genes.”

2. verb

To suppress or hold back (something) by physical force or other means.

“The government repressed the protests with a heavy police presence.”

3. verb

To make (a feeling or emotion) less intense or noticeable.

“She tried to repress her tears, but they began to flow once again.”