damper

 
Pronunciation: /ˈdampə/

noun

  • 1a person or thing that has a subduing or inhibiting effect: this will be a damper on the liberal agenda for the next couple of years
  • Music a pad silencing a piano string except when removed by means of a pedal or by the note being struck.
  • a device for reducing mechanical vibration, in particular a shock absorber on a motor vehicle.
  • a conductor used to reduce oscillation in an electric motor or generator.
  • a movable metal plate in a flue or chimney, used to regulate the draught and so control the rate of combustion.
  • 2chiefly Australian/NZ an unleavened loaf or cake of flour and water baked in wood ashes.
    [in the sense 'something that takes the edge off the appetite']

Phrases

put a damper on

have a subduing or inhibiting effect on: he put a damper on her youthful excitement