suppressor

plural suppressors

1. A device which suppresses something, especially an electronic or mechanical device.
   1. A device added to the barrel of a firearm which reduces the noise and flash generated by firing the weapon.

      1 more example

      Silencers, also called suppressors, are tube-shaped devices that, when screwed into the muzzle of a gun, slow the decompression of gases that propel a bullet forward, thus reducing the “pop” sound of gunfire. […] “I don’t think in real life, in practical applications, that there is that great of a tactical advantage to use a suppressor, especially for something like a mass shooting,” Gutowski said.

      2025 March 26, Hannah Rabinowitz, “DOJ considers abandoning the defense of federal restrictions on gun silencers”, in CNN

      Synonyms: silencer, muffler · Antonyms: loudener

2. A person who suppresses others, a tyrant.
3. biologyA gene that suppresses the effect of another through epistasis.