Refine this word faster
Francium
//ˈfɹænsi.əm// noun
Definitions
Noun
- 1 The chemical element (symbol Fr) with an atomic number of 87. It is an intensely radioactive alkali metal that is not found in nature. uncountable, usually
"The most elusive element of all, however, appears to be francium, which is so rare that it is thought that our entire planet may contain, at any given moment, fewer than twenty francium atoms."
- 2 a radioactive element of the alkali-metal group discovered as a disintegration product of actinium wordnet
- 3 A single atom of this element. countable, usually
"Notice that franciums are balanced without even thinking in moles, atoms, or whatever."
Etymology
From French francium, from France + -ium (after the native country of Marguerite Perey).
See also for "francium"
Next best steps
Mini challenge
Unscramble this word: francium