as in alarm clock
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Recent Examples of atomic clock
Optical atomic clocks, which use intersecting laser beams to entrap and monitor the atoms, are currently accurate down to 1 attosecond, or a billionth of a billionth of a second.
—
IEEE Spectrum, 20 Dec. 2025
Physicists at the University of Toronto have developed the world’s first cryogenic single-ion optical atomic clock, a next-generation instrument that could be 100 times more accurate than the clocks currently used to define the length of a second.
—Neetika Walter, Interesting Engineering, 17 Nov. 2025
Weiss developed a precise atomic clock, and was also a pioneer in the measurement of a cosmic fossil called the Cosmic Microwave Background (CMB), leftover radiation from an event just after the Big Bang.
—Robert Lea, Space.com, 27 Aug. 2025
However these discrepancies can, in the long run, affect computers, satellites and telecommunications, which is why even the smallest time deviations are tracked using atomic clocks, which were introduced in 1955.
—Jacopo Prisco, CNN Money, 21 July 2025
See All Example Sentences for atomic clock
IEEE Spectrum, 20 Dec. 2025
Physicists at the University of Toronto have developed the world’s first cryogenic single-ion optical atomic clock, a next-generation instrument that could be 100 times more accurate than the clocks currently used to define the length of a second.
—Neetika Walter, Interesting Engineering, 17 Nov. 2025
Weiss developed a precise atomic clock, and was also a pioneer in the measurement of a cosmic fossil called the Cosmic Microwave Background (CMB), leftover radiation from an event just after the Big Bang.
—Robert Lea, Space.com, 27 Aug. 2025
However these discrepancies can, in the long run, affect computers, satellites and telecommunications, which is why even the smallest time deviations are tracked using atomic clocks, which were introduced in 1955.
—Jacopo Prisco, CNN Money, 21 July 2025
See All Example Sentences for atomic clock
Recent Examples of Synonyms for atomic clock
Noun
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With plenty of surface area for your alarm clock and current read, this nightstand features a round light bulb that rests in a slight divot.—
Kate McGregor,
Architectural Digest,
27 Feb. 2026
-
The circadian rhythm, the body’s natural alarm clock that will suppress melatonin in the morning and increase alertness, is triggered by sunlight.—
Alexa Mikhail,
Flow Space,
4 Feb. 2026
Noun
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The scoreboards went out, the time clocks were stopped and play was halted on all four sheets.—
Zack Pierce,
New York Times,
4 Feb. 2026
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The one-time refinery worker, who showed up each day in a hard hat, said national Democrats have gone out of their way to alienate people who punch time clocks and take their showers after work.—
John C. Moritz,
Austin American Statesman,
25 Jan. 2026
Noun
-
Just visit the store's 240-year-old grandfather clock.—
Carmela Karcher,
CBS News,
6 Mar. 2026
-
The Sand Pirates pirate ship silently swung like the pendulum on a grandfather clock.—
Brady MacDonald,
Oc Register,
5 Dec. 2025
Noun
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This wagon is a German cuckoo clock with a screw loose, and as endearing as a house cat knocking a glass vase off the table.—
Jesus R. Garcia,
Houston Chronicle,
1 Feb. 2026
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Other decorations included a popcorn bucket, a hamburger, a hot dog cart, a cuckoo clock and a rocking horse.—
Marina Watts,
PEOPLE,
30 Dec. 2025
Cite this Entry
“Atomic clock.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/atomic%20clock. Accessed 8 Mar. 2026.
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