heat exchanger

noun

: a device (such as an automobile radiator) for transferring heat from one fluid to another without allowing them to mix

Examples of heat exchanger in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Once released, the cryogenic hydrogen becomes a cold gas, which is then warmed via a heat exchanger before entering the fuel cells. David Blekhman, Forbes.com, 6 May 2025 The sleeve design that Holtec is proposing for the repairs has not been installed in steam generators before, though it has been used in other heat exchangers at nuclear plants, according to a company filing. Spencer Kimball, CNBC, 22 Mar. 2025 This heat exchanger system was used because the water coming up was highly corrosive, so the exchanger protected the generating gear. David Szondy, New Atlas, 13 Mar. 2025 The cases circulate the synthetic liquid between a main component chamber and a heat exchanger in the back of the case via hoses and pumps. Emily Forlini, PCMAG, 12 Jan. 2025 See All Example Sentences for heat exchanger

Word History

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of heat exchanger was in 1902

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Cite this Entry

“Heat exchanger.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20exchanger. Accessed 8 Jul. 2025.

Kids Definition

heat exchanger

noun
: a device (as an automobile radiator) for transferring heat from one fluid to another without allowing them to mix

Medical Definition

heat exchanger

noun
heat ex·​chang·​er -iks-ˌchānj-ər How to pronounce heat exchanger (audio)
: a device (as in an apparatus for extracorporeal blood circulation) for transferring heat from one fluid to another without allowing them to mix

More from Merriam-Webster on heat exchanger

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