silencer

Plural: silencers

Noun

• short tube attached to the muzzle of a gun that deadens the sound of firing
• a tubular acoustic device inserted in the exhaust system that is designed to reduce noise
• Something that silences or (notionally) nearly silences.
• An attachment to a gun that reduces the sound it emits.
• Something that silences or (notionally) nearly silences.
• The muffler of an internal combustion engine.
• Something that silences or (notionally) nearly silences.
• Any of various devices to silence the humming noise of telegraph wires.
• Something that silences or (notionally) nearly silences.
• Something that prevents or greatly reduces gene expression.

Synonyms

muffler, suppressor