caesium
The chemical element (symbol Cs) with an atomic number of 55. It is a soft, gold-colored, highly reactive alkali metal.
A kind of
- metallic element
Related words
- caesian
- caeside
- dicaesium
- radiocaesium
- tetracaesium
- eka-caesium
Word history
From Latin "caesius" (sky-blue).
Where this comes from
This definition is adapted from “caesium” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.