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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When cooled to a few degrees above absolute zero, these metals become superconductors.
—
Eli Levenson-Falk, The Conversation, 8 Oct. 2025
Atoms must be trapped, cooled almost to absolute zero, and probed with lasers tuned to astonishing levels of precision.
—Rupendra Brahambhatt, Interesting Engineering, 27 Sep. 2025
The stars will all burn out; the corpses of these stars will radiate all their heat away and cool to absolute zero; the stellar remnants will gravitationally interact, ejecting the majority of objects into intergalactic space, while the few remaining black holes grow to enormous sizes.
—Ethan Siegel, Big Think, 25 Sep. 2025
This new quantum sensor uses individual atoms, cooled to just shy of absolute zero, to serve as targets for stray particles to hit.
—IEEE Spectrum, 24 Sep. 2025
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Eli Levenson-Falk, The Conversation, 8 Oct. 2025
Atoms must be trapped, cooled almost to absolute zero, and probed with lasers tuned to astonishing levels of precision.
—Rupendra Brahambhatt, Interesting Engineering, 27 Sep. 2025
The stars will all burn out; the corpses of these stars will radiate all their heat away and cool to absolute zero; the stellar remnants will gravitationally interact, ejecting the majority of objects into intergalactic space, while the few remaining black holes grow to enormous sizes.
—Ethan Siegel, Big Think, 25 Sep. 2025
This new quantum sensor uses individual atoms, cooled to just shy of absolute zero, to serve as targets for stray particles to hit.
—IEEE Spectrum, 24 Sep. 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 22 Oct. 2025.
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