Definition
A suppressor is a device attached to a firearm to reduce the noise and flash produced when firing. Think of it as a silencer, although it doesn't completely eliminate the sound. It works by slowing down and cooling the expanding gases released from the muzzle. Suppressors are often portrayed in movies and video games. It is not fully silent, but brings down sound. It's like a muffler for a gun, making it quieter but not silent.