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
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.
Thermoelectric generators can scavenge energy effectively only when their design includes a large heat sink, typically made from aluminum, to collect the body’s heat and transfer it to the device. Patrick Mercier, IEEE Spectrum, 18 June 2020 As the first reaction’s power cools its surrounding electrolyte solution, a heat sink removes the accompanying warmth. Andrew Paul, Popular Science, 30 Jan. 2025 That’s a greater power density than would be possible with a thermoelectric generator paired with a small, wearable-size heat sink, and somewhat greater than the power density of a solar cell operating in normal indoor lighting. Patrick Mercier, IEEE Spectrum, 18 June 2020 The safest way to do this is to use a heat sink such as a jug filled with hot water or stones warmed in the sun. Kim Toscano, Southern Living, 4 Jan. 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 24 Mar. 2025.

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