Damper



noun
1.
(A movable metal plate that regulates the flow of air into the fire in a stove or furnace, a person or thing that damps or discourages enthusiasm, anything that deadens or depresses, a device to check vibration in the strings of a piano, etc) សន្ទះបិទបើកខ្យល់, នំមួយបែប, គ្រឿងរំលស់