Definition of atomic clock in English:

atomic clock

Line breaks: atom¦ic clock


  • An extremely accurate type of clock which is regulated by the vibrations of an atomic or molecular system such as caesium or ammonia.
    More example sentences
    • Superaccurate atomic clocks, timepieces capable of discerning a change in frequency of a few parts in a million billion, were used to monitor the potential shifts.
    • But if you were to use the world's most accurate atomic clocks, you would also need to take the latitude and altitude of the two locations into account.
    • The most accurate atomic clocks available today use the cesium atom and the normal magnetic fields and detectors.

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Pronunciation: skəʊʃ
a small amount; a little