heat pump

noun

Definition of HEAT PUMP

: an apparatus for heating or cooling (as a building) by transferring heat by mechanical means from or to an external reservoir (as the ground, water, or outside air)

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First Known Use of HEAT PUMP

1894

Rhymes with HEAT PUMP

air pump, broad jump, high jump, long jump, mugwump, no-trump, ski jump, speed bump, sump pump, tub-thump

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Britannica.com: Encyclopedia article about "heat pump"

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