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

For example, reliable interface pads for heat sink attachment and upgraded power infrastructure components can significantly reduce downtime and maintenance costs. —Baratunde Cola, Forbes.com, 23 Apr. 2025

Now line up your heat sink with the screws surrounding your processor and gently lower it into place. —Brad Bourque, Wired News, 9 Aug. 2024

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

Word History

First Known Use

1936, in the meaning defined above

Rhymes for heat sink

• bethink
• downlink
• groupthink
• hoodwink
• rethink
• uplink
• blink
• brink
• chink
• cinque
• clink
• dink