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 decades, oceans have acted as the planet’s main heat sink, absorbing 90% of the excess heat produced by humans burning fossil fuels.
—
Laura Paddison,
CNN Money,
1 July 2026
The One features an anodized aluminum heat sink, bracket, and lanyard loop.
—
Justyn Newman,
PC Magazine,
28 May 2026
In summer, brick, concrete, and asphalt cities are nothing short of heat sinks, baking in the high sun during the day and radiating heat back out at night.
—
Jeffrey Kluger,
Time,
4 May 2026
Guyana’s river systems and Atlantic coastline provide a natural, massive heat sink.
—
Richie Etwaru,
Forbes.com,
4 May 2026
See All Example Sentences for heat sink
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Laura Paddison,
CNN Money,
1 July 2026
The One features an anodized aluminum heat sink, bracket, and lanyard loop.
—
Justyn Newman,
PC Magazine,
28 May 2026
In summer, brick, concrete, and asphalt cities are nothing short of heat sinks, baking in the high sun during the day and radiating heat back out at night.
—
Jeffrey Kluger,
Time,
4 May 2026
Guyana’s river systems and Atlantic coastline provide a natural, massive heat sink.
—
Richie Etwaru,
Forbes.com,
4 May 2026
See All Example Sentences for heat sink
Cite this Entry
“Heat sink.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20sink. Accessed 2 Jul. 2026.
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