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CAESIUM CLOCK
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
An atomic clock based on the energy difference between two states of the caesium nucleus in a magnetic field
Classified under:
Nouns denoting man-made objects
Hypernyms ("caesium clock" is a kind of...):
atomic clock (a timepiece that derives its time scale from the vibration of atoms or molecules)