heat sink

noun

Definition of heat sink

: 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

Materials need to be added between the cells to act as a heat sink, stopping high temperatures from moving beyond an exploding cell. Loren Grush, The Verge, "NASA is prepared if a battery ever explodes in space," 17 Aug. 2018 Graphcore also had to create a custom heat sink to keep the processors cool, despite the playful designs. Chaim Gartenberg, The Verge, "Graphcore’s new AI chips are the best-looking server processors you’ll never see," 26 Nov. 2018 The temperature difference between the heat source and the heat sink has to be quite large before any reasonable amount of energy is transferred. Chris Lee, Ars Technica, "Edge on cooling from nanostructure beats physical limit," 11 Sep. 2018 The bundle linked below includes a dedicated 2.4A power supply, which should keep the Pi running at its best, as well as a couple of heat sinks to keep the whole thing cool during more involved tasks. Jeff Dunn, Ars Technica, "The Ars Technica Father’s Day gift guide," 13 June 2018 The probe heats up one side of the generator, and a heat sink (4) ensures the other side stays cool. Kevin Dupzyk, Popular Mechanics, "Things Come Apart: The Biolite Campstove," 15 Mar. 2017 The case is pretty sleek and also comes with its own add-on board, heat sink, USB adapter (Type-A), and an mSATA socket for up to 1TB SSDs. Ian Paul, PCWorld, "Celebrate Pi Day 2018 with these great Newegg deals on Raspberry Pi and maker kits," 14 Mar. 2018 Additionally, there is a heat sink built into the floor to reduce the demand for cold air through the cooling system and a method of inferring battery cell temperatures that means there's no need to monitor individual cells. Jonathan M. Gitlin, Ars Technica, "F1 champ Williams made a cool new carbon platform for electric cars," 1 Mar. 2018 Those long, narrow and deep lakes create the ideal climate for riesling, keeping the area cool in the summer and acting as a heat sink to retain warmth in colder seasons. Michael Austin, chicagotribune.com, "Don't love riesling? The Finger Lakes will make you rethink the maligned grape," 7 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heat sink.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of heat sink

1936, in the meaning defined above

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Last Updated

13 Jan 2019

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Time Traveler for heat sink

The first known use of heat sink was in 1936

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