Synonyms of atomic clock

atomic clock

noun

as in alarm clock

Related Words

• alarm clock
• time clock
• grandfather clock
• cuckoo clock
• clock
• water clock
• timer
• timepiece
• chronometer
• timekeeper
• hourglass
• sundial
• stopwatch
• clepsydra
• sandglass
• chronograph
• watch

Example Sentences

Recent Examples of atomic clock

Last year, on July 5, 2024, Earth experienced the shortest day ever recorded since the advent of the atomic clock 65 years ago, at 1.66 milliseconds less than 24 hours. —Jacopo Prisco, CNN Money, 21 July 2025

From when records began (with the invention of the atomic clock) in 1973 until 2020, the shortest day ever recorded was 1.05 milliseconds less than 24 hours, according to Timeanddate.com. —Jamie Carter, Space.com, 21 July 2025

This particular clock is technically an ion clock, which is different from the more common atomic clocks that are based on measuring the resonant frequencies of a single cesium atom to regulate time keeping. —New Atlas, 18 July 2025

The shortest day ever recorded since atomic clocks went into operation in the 1950s occurred last year, on July 5, according to Date and Time, when the Earth shaved off 1.66 milliseconds. —Jeffrey Kluger, Time, 9 July 2025