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| damp·er [ dámpər ] (plural damp·ers) |
noun |
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| Definition: |
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1. somebody or something discouraging: somebody or something that causes discouragement or inhibition
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2. plate to control fire: a metal plate that controls the draft in a furnace or stove
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3. music piano mute: a felt-covered block in a piano that stops the vibration of strings
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4. music horn or woodwind mute: a mute to muffle the sound of a brass or woodwind instrument
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5. electrical engineering device to control vibration: a device for controlling the excessive vibration of a suspended magnetic needle
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6. electrical engineering device in electric motor: a piece of copper embedded in or near the poles of an electric motor to reduce any tendency to pulsate to speeds above or below its intended speed
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put a damper on something to make something less fun and more inhibited
  The sudden arrival of the adults put a damper on the kids' party.
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