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definitions

caesium clock

noun

a type of atomic clock that uses the frequency of radiation absorbed in changing the spin of electrons in caesium atomsSee also second 2

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Nearby words

  1. caesarian,
  2. caesarism,
  3. caesaropapism,
  4. caesious,
  5. caesium,
  6. caespitose,
  7. caesura,
  8. caesurae,
  9. caetano,
  10. caf
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012