caesium

cae·​si·​um

Definition of caesium

chiefly British spelling of

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“Caesium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caesium. Accessed 22 Feb. 2020.

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caesium

Medical Definition of caesium

chiefly British variant of cesium

More from Merriam-Webster on caesium

Britannica.com: Encyclopedia article about caesium

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