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
The world’s oceans are its largest heat sink, absorbing more than 90 percent of the excess warming that is trapped in the atmosphere.
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Molly Taft, Wired News, 9 Jan. 2026
This paper-thin profile allows them to be integrated directly onto heat sinks, chassis walls, or internal components, enabling ultra-thin laptop designs that were previously impossible to cool.
—Prabhat Ranjan Mishra, Interesting Engineering, 3 Jan. 2026
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, 11 Dec. 2025
Thermoelectric materials flex and create pulses inside the slim modules, pushing air through a heat sink noiselessly, with no spinning parts or fan bearings that are prone to fail over time.
—John Burek, PC Magazine, 24 Sep. 2025
See All Example Sentences for heat sink
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Molly Taft, Wired News, 9 Jan. 2026
This paper-thin profile allows them to be integrated directly onto heat sinks, chassis walls, or internal components, enabling ultra-thin laptop designs that were previously impossible to cool.
—Prabhat Ranjan Mishra, Interesting Engineering, 3 Jan. 2026
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, 11 Dec. 2025
Thermoelectric materials flex and create pulses inside the slim modules, pushing air through a heat sink noiselessly, with no spinning parts or fan bearings that are prone to fail over time.
—John Burek, PC Magazine, 24 Sep. 2025
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 30 Jan. 2026.
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