dampers

'dampers'

[damper.n.01] as in: a movable iron plate that regulates the draft in a stove or chimney or furnace

'dampers'

[damper.n.02] as in: a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations

'dampers'

[damper.n.03] as in: a depressing restraint

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Examples:
rain put a damper on our picnic plans