heat pump

noun

a device that uses a compressible refrigerant to transfer heat from one body, as the ground, air, or water, to another body, as a building, with the process being reversible.

Origin of heat pump

First recorded in 1890–95

Words nearby heat pump

heat of solidification, heat of solution, heat of sublimation, heat of vaporization, heat prostration, heat pump, heat rash, heat reservoir, heat shield, heat sink, heat stroke

British Dictionary definitions for heat pump

heat pump

noun

a device, as used in a refrigerator, for extracting heat from a source and delivering it elsewhere at a much higher temperature