- an extremely accurate clock in which an electrical oscillator is controlled by the natural vibrations of an atomic or molecular system such as caesium or ammonia
| 单词 | atomic clock |
| 释义 | WordReference Random House Learner's Dictionary of American English © 2024 aˈtom•ic ˈclock, n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024
atom′ic clock′,
Collins Concise English Dictionary © HarperCollins Publishers:: atomic clock n
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