heat sink

noun

: a substance or device that absorbs or dissipates especially unwanted heat (as from a process or an electronic device)

Examples of heat sink in a Sentence

Recent Examples on the Web
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For the cold side of the STEG, the team turned its ultra-fast laser on a sheet of aluminum, creating a heat sink that was exceptionally good at dissipating warmth. New Atlas, 17 Aug. 2025 In addition, the chassis serves as a heat sink for the high-capacity battery. Abhimanyu Ghoshal, New Atlas, 18 July 2025 At the rear there is a sculpted and high-efficiency heat sink designed for optimal thermal performance. Mark Sparrow, Forbes.com, 8 July 2025 O’Fallon compared it to the fins on a computer’s heat sink. Joseph States, Chicago Tribune, 20 May 2025 See All Example Sentences for heat sink

Word History

First Known Use

1936, in the meaning defined above

Time Traveler
The first known use of heat sink was in 1936

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Cite this Entry

“Heat sink.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20sink. Accessed 22 Aug. 2025.

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