absolute zero
noun
: a theoretical temperature characterized by complete absence of heat and motion and equivalent to exactly −273.15°C or −459.67°F
Examples of absolute zero in a Sentence
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Experiments of this kind require gases cooled to absolute zero temperature.
—
Atharva Gosavi, Interesting Engineering, 8 Sep. 2025
Usually, the model systems consist of atoms cooled almost to absolute zero, where quantum effects take over.
—Shalma Wegsman, Quanta Magazine, 5 Sep. 2025
For example, some quantum computers have to be operated at very cold temperatures, near absolute zero.
—Kif Leswing, CNBC, 27 June 2025
That’s because everything has a temperature above absolute zero and radiates photons as heat, often with longer wavelengths (infrared light) than can be seen with our eyes.
—Conor Feehly, Scientific American, 16 June 2025
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Atharva Gosavi, Interesting Engineering, 8 Sep. 2025
Usually, the model systems consist of atoms cooled almost to absolute zero, where quantum effects take over.
—Shalma Wegsman, Quanta Magazine, 5 Sep. 2025
For example, some quantum computers have to be operated at very cold temperatures, near absolute zero.
—Kif Leswing, CNBC, 27 June 2025
That’s because everything has a temperature above absolute zero and radiates photons as heat, often with longer wavelengths (infrared light) than can be seen with our eyes.
—Conor Feehly, Scientific American, 16 June 2025
See All Example Sentences for absolute zero
Cite this Entry
“Absolute zero.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/absolute%20zero. Accessed 10 Sep. 2025.
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