Looking for the meaning of the word CAESIUM in English for both noun and verb forms from the Oxford Dictionary? Below, you can explore all possible meanings and definitions of CAESIUM with sentence examples. You can also use the “AUDIO PRONUNCIATION” track to check the correct pronunciation in British English.
Word: Caesium
Speech Type: Noun
mid 19th century: from Latin caesius ‘greyish-blue’ (because it has characteristic lines in the blue part of the spectrum)
ˈsiːzɪəm
the chemical element of atomic number 55, a soft, silvery, extremely reactive metal. It belongs to the alkali metal group and occurs as a trace element in some rocks and minerals.
Short Definition:chemical element of atomic number 55, soft, silvery, extremely reactive metal
- Cs
- cesium
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