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francium
Definitions
[ˈfransɪəm], (Noun)
Definitions:
- the chemical element of atomic number 87, a radioactive member of the alkali metal group. Francium occurs naturally as a decay product in uranium and thorium ores
Phrases:
Origin
:
1940s: from France(the discoverer's native country) + -ium
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definition by Oxford Dictionaries