heat exchanger

American

noun

a device for transferring the heat of one substance to another, as from the exhaust gases to the incoming air in a regenerative furnace.

heat exchanger British

noun

a device for transferring heat from one fluid to another without allowing them to mix

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of heat exchanger

First recorded in 1900–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

heat exchanger

The need for cooling meant redesigning the combustion chamber itself, and incorporating a new air-to-water heat exchanger.

From The Wall Street Journal ● Feb. 12, 2026

Finally, a heat exchanger transfers this heat to water that gets pumped around your radiators, for instance.

From BBC ● Jul. 14, 2025

Once heated, the air then indirectly heats the incoming ventilation via a heat exchanger.

From Science Daily ● Nov. 19, 2024

Calhoun said 787 deliveries are being held up due to shortages of both airline seats and a part called the heat exchanger in the jet engine.

From Seattle Times ● Apr. 24, 2024

He played host to a large family reunion, replaced the heat exchanger in his boat, and transformed the ramshackle greenhouse into an elaborate workshop.

From "Class Matters" by The New York Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023