A valve or movable plate in the flue or other part of a stove, furnace, etc., used to check or regulate the draught of air.

comparative form of damp: more damp

plural of damper

(architecture) a form of shock absorber designed to reduce structural damage to buildings caused by earthquakes

(idiomatic) To stop people from enjoying an activity.

plural of seismic damper

A mechanical device to dissipate kinetic energy of seismic waves penetrating a building structure.

A passive fire protection product used in heating, ventilation, and air conditioning ducts.

plural of fire damper

plural of viscous damper