Definitions

1. noun

A device that reduces the noise, light, or other unwanted effects of a firearm, explosive, or other source of noise or light.

“The suppressor on the gun helped to reduce the noise it made when fired.”

2. noun

A person or thing that suppresses or has the effect of suppressing something.

“The government’s policies have been criticized as suppressors of free speech.”

3. verb

To reduce or eliminate something, especially noise or light.

“The engineers tried to suppress the vibrations of the machine.”