Definitions of francium [ˈfræn si əm]

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Definition of 'francium'

Random House Webster's College Dictionary

1. (n.) francium
a radioactive element of the alkali metal group.

Etymology: (< F (1946), after France ; see -ium²)

Definition of 'francium'

Princeton's WordNet

1. (noun) francium, Fr, atomic number 87
a radioactive element of the alkali-metal group discovered as a disintegration product of actinium

Definition of 'francium'

U.S. National Library of Medicine

1. francium
Francium. A radioactive alkali metal with the atomic symbol Fr, atomic number 87, and atomic weight 223. The mass numbers of other known isotopes are 204-213, 217-222, and 224. Its valence is +1.

'francium' - Nearby Entries
francis scott key francis turbine francis turner palgrave francium franck franco-american francoa

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