atomic clock
noun
: a precision clock that depends for its operation on an electrical oscillator regulated by the natural vibration frequencies of an atomic system (such as a beam of cesium atoms)
Examples of atomic clock in a Sentence
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From tabletop experiments to atomic clocks to celestial mechanics to gravitational lensing to the formation of the great cosmic web, its success rate is 100%.
—
Big Think, 24 Mar. 2026
China has taken a significant step in this domain by mass-producing the world’s smallest atomic clock.
—Jijo Malayil, Interesting Engineering, 19 Mar. 2026
IonQ also bought Vector Atomics, a company that makes atomic clocks.
—Jeremy Kahn, Fortune, 4 Feb. 2026
The National Institute of Standards and Technology’s Internet Time Service Facility in Boulder lost power Wednesday afternoon, disrupting the agency’s atomic clock, spokesperson Rebecca Jacobson said.
—Lauren Penington, Denver Post, 21 Dec. 2025
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Big Think, 24 Mar. 2026
China has taken a significant step in this domain by mass-producing the world’s smallest atomic clock.
—Jijo Malayil, Interesting Engineering, 19 Mar. 2026
IonQ also bought Vector Atomics, a company that makes atomic clocks.
—Jeremy Kahn, Fortune, 4 Feb. 2026
The National Institute of Standards and Technology’s Internet Time Service Facility in Boulder lost power Wednesday afternoon, disrupting the agency’s atomic clock, spokesperson Rebecca Jacobson said.
—Lauren Penington, Denver Post, 21 Dec. 2025
See All Example Sentences for atomic clock
Cite this Entry
“Atomic clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atomic%20clock. Accessed 25 Mar. 2026.
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