What is the definition of
fr
1.
[ noun ]
(chemistry) a radioactive element of the alkali-metal group discovered as a disintegration product of actinium
Synonyms:
atomic_number_87
francium
Related terms:
metallic_element
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Similar spelling:
fry
Fri
frye
Frey
Frew
Frei
Free
fray
Frau
Fryou
Freya
