francium
The chemical element (symbol Fr) with an atomic number of 87. It is an intensely radioactive alkali metal that is not found in nature.
Other meanings
A single atom of this element.
A kind of
- metallic element
Related words
- eka-francium
- franciumlike
Word history
From French "francium".
Where this comes from
This definition is adapted from “francium” 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.