suppressor
n. C1 Advanced US //səˈpɹɛsɝ// sup·pres·sor
n. a device that is attached to a gun to make the sound of the shot much quieter. It is also used to describe a chemical that stops a reaction or a person who stops a feeling.
n. a device designed to reduce the noise of a firearm's discharge; also refers to a substance that inhibits a chemical reaction or a person who suppresses a feeling or emotion.
The soldier wore a suppressor to avoid making noise.
The lab technician added a chemical suppressor to the mixture to prevent the reaction from becoming too violent.
While the suppressor effectively dampened the acoustic signature of the weapon, the heat generated by the device still posed a significant risk to the shooter's hand.