caesiumnoun [ U ]
UK US cesium uk/ˈsiː.zi.əm/us/ˈsiː.zi.əm/symbol Csa chemical element that is a soft, silver-white alkaline metal. Caesium reacts strongly with other chemicals and is used in photocells.
Thesaurus: synonyms and related words
Chemical elements
- alkali metal
- antimony
- calcium
- carbonic
- carbonic acid
- cesium
- cl
- graphene
- lithium
- molybdenum
- nickel
- quicksilver
- sodium
- strontium
- sulphur
- transition metal
- tungsten
- urea
- vanadium
- zinc
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Examples from literature
- The atomic weight of caesium has been determined by the analysis of its chloride and bromide.
- The separation of caesium from the minerals which contain it is an exceedingly difficult and laborious process.