Definition of Francium

1. Noun. A radioactive element of the alkali-metal group discovered as a disintegration product of actinium.

Exact synonyms: Atomic Number 87, Fr
Generic synonyms: Metal, Metallic Element



Definition of Francium

1. Noun. A metallic chemical element (''symbol'' Fr) with an atomic number of 87. ¹

¹ Source: wiktionary.com

Definition of Francium

1. a radioactive element [n -S]

Medical Definition of Francium

1. 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. Chemical name: Francium (12 Dec 1998)

Francium Pictures

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Lexicographical Neighbors of Francium

franchisee
franchisees
franchiser
franchisers
franchises
franchising
franchisor
franchisors
francis turbine
franciscan
francisella
francisella tularensis
francisite
francium (current term)
franciums
francize
francized
francizes
francizing
franckeite
francoa
francoanellite
francoas
francocentric
francolin
francolins
francolite
francolites

Literary usage of Francium

Below you will find example usage of this term as found in modern and/or classical literature:

1. A History of Classical Scholarship by John Edwin Sandys (1908)
"... he wrote a Latin letter ‘ad P. francium Barbarum'. But, as a Latin composer, Perizonius only excited the ridicule of ..."

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