English Explanatory Dictionary

atomic clock

English dictionary entry

Meanings

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 radio clock.

Pronunciation

LL-Q1860 (eng)-Flame, not lame-atomic clock.wav

Word forms

atomic clock atomic clocks
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