francium
English
/ˈfɹansɪəm/, /ˈfɹænsi.əm/
noun
Definitions
- The chemical element (symbol Fr) with an atomic number of 87. It is an intensely radioactive alkali metal that is not found in nature.
- (countable) A single atom of this element.
Etymology
Derived from French francium suffix from English France.
Origin
English
France