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 That property may lead to better heat sinks for microelectronics. IEEE Spectrum, 11 May 2012 The card reader features an effective heat sink that prevents thermal throttling, ensuring data continues to transfer at fast and reliable speeds. Mark Sparrow, Forbes, 22 Feb. 2024 Historically, electronics have been cooled down with heat sinks that passively draw the excess heat away. IEEE Spectrum, 13 Nov. 2023 Pi also added two mounting holes for heat sinks to the board. Kevin Purdy, Ars Technica, 28 Sep. 2023 Raspberry Pi Raspberry Pi 5's active cooler, with heat sink and radial blower. Kevin Purdy, Ars Technica, 28 Sep. 2023 The frame actually functions as a heat sink, conducting heat away from the processors out underneath the propellers, which act as a very effective cooling system. IEEE Spectrum, 1 Oct. 2019 Engineers design the computers themselves to maximize airflow, spacing out components on the circuit boards, building in fans and heat sinks so the machines don’t overheat and conk out. Mike Rogoway | Mrogoway@oregonian.com, oregonlive, 26 Jan. 2023 Now line up your heat sink with the screws surrounding your processor, and gently lower it into place. Jaina Grey Louryn Strampe, WIRED, 4 Nov. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'heat sink.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1936, in the meaning defined above

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

Dictionary Entries Near heat sink

Cite this Entry

“Heat sink.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20sink. Accessed 18 May. 2024.

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