From Longman Dictionary of Contemporary Englishdamperdamp‧er /ˈdæmpə $ -ər/ noun [countable] 1 → put a damper on something2 TFIREa type of small metal door that is opened or closed in a stove or furnace, to control the air reaching the fire so that it burns more or less strongly3 a piece of equipment that stops a movement from being too strong4 APMa piece of equipment that stops a piano string from making a sound
Examples from the Corpus
damper• The simple cure is to fit a damper.• It really put a damper on everything.• Analysts had figured the bad news from the giant microprocessor maker would put a damper on technology stocks.• These ducts usually have dampers near where they extend from the plenum.• It consists of four air springs, which replace the coil springs, new dampers and four height sensors at each corner.• So that put the damper on gigs for a bit.• The dampers are controlled by small air springs, which work in parallel with the main coil springs. 