Definition of "damper" []

  • One that deadens, restrains, or depresses: Rain put a damper on our picnic plans. (noun)
  • An adjustable plate, as in the flue of a furnace or stove, for controlling the draft. (noun)
  • Music A device in various keyboard instruments for deadening the vibrations of the strings. (noun)
  • Music A mute for various brass instruments. (noun)
  • A device that eliminates or progressively diminishes vibrations or oscillations, as of a magnetic needle. (noun)
  • A person, event, or circumstance that depresses or discourages (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • A movable plate to regulate the draught in a stove or furnace flue (noun)
  • A device to reduce electronic, mechanical, acoustic, or aerodynamic oscillations in a system (noun)
  • The pad in a piano or harpsichord that deadens the vibration of each string as its key is released (noun)
  • Any of various unleavened loaves and scones, typically cooked on an open fire (noun) (c) HarperCollins Publishers Ltd 2016

Use "damper" in a sentence
  • "Either way, their predicament could put a long-term damper on the consumer spending that typically drives U.S. growth."
  • "This excursion taught us how expectations that are not realized can put a certain damper on the tone of a trip."
  • "A balancing damper is a type of valve for the air that can be partially closed or opened."