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Atomic clock
noun
Definitions
Noun
- 1 An extremely accurate reference clock whose operation is based on an atomic process, typically the frequency of electromagnetic radiation associated with a specified energy-level transition in an element such as cesium.
- 2 a timepiece that derives its time scale from the vibration of atoms or molecules wordnet
- 3 A radio clock. proscribed
See also for "atomic clock"
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Unscramble this word: atomicclock