damper
definition: a depressing restraint
example: rain put a damper on our picnic plans
speech part: noun
synonyms:
definition: a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
example:
speech part: noun
synonyms:
muffler
definition: a movable iron plate that regulates the draft in a stove or chimney or furnace
example:
speech part: noun
synonyms: