cesium clock

A form of caesium clock — 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).

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Meanings

nouncesium clock (plural cesium clocks)

plural cesium clocks

  1. alternativeAlternative form of caesium clock.
Cite this entry
APA

cesium clock. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cesium%20clock

MLA

“cesium clock.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cesium%20clock. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “cesium clock,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cesium%20clock.

Source: cesium clock on Wiktionary, CC BY-SA 4.0.