English Explanatory Dictionary

caesium

English dictionary entry

Meanings

noun
  1. The chemical element (symbol Cs) with an atomic number of 55. It is a soft, gold-colored, highly reactive alkali metal.

Pronunciation

sē'zēəm /ˈsiːzi.əm/ LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-caesium.wav En-us-caesium.ogg

Word forms

caesium cæsium cesium

Etymology

From Latin caesius (“sky-blue”), in reference to the radiation spectra, + -ium.

Related words

caesious lepidolite pollucite

Derived words

caesian caeside caesium-137 caesium auride cesium auride caesium azide cesium azide caesium cell cesium cell caesium chloride cesium chloride caesium clock cesium clock caesium fluoride cesium fluoride caesium hydroxide cesium hydroxide caesium iodide cesium iodide caesium nitrate cesium nitrate dicaesium eka-caesium radiocaesium tetracaesium
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