caesium clock
English
Alternative forms
Noun
caesium clock (plural caesium clocks)Category:English lemmas#CAESIUMCLOCKCategory:English nouns#CAESIUMCLOCKCategory:English countable nouns#CAESIUMCLOCKCategory:English multiword terms#CAESIUMCLOCKCategory:English entries with incorrect language header#CAESIUMCLOCKCategory:Pages with entries#CAESIUM%20CLOCKCategory:Pages with 1 entry#CAESIUM%20CLOCK
- A type of highly accurate atomic clock that is regulated by a resonance frequency of caesium atoms (the same frequency, 9,192,631,770 Hz, on which the precise scientific definition of the second is based).