francium

From French francium, from France +‎ -ium (after the native country of Marguerite Perey).

• (UK) IPA^(key): /ˈfɹansɪəm/, /ˈfɹɑːnsɪəm/
• (US) enPR: frăn'sēəm, IPA^(key): /ˈfɹænsi.əm/

francium (usually uncountable, plural franciums)

1. A metallic chemical element (symbol Fr) with an atomic number of 87.
   • 2003, Bill Bryson, A Short History of Nearly Everything, BCA, p. 221:

     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. (countable) A single atom of this element.
   • 1999, Peter J. Krieger, Understanding Chemical Principles: A Learning Companion (page 56)

     Notice that franciums are balanced without even thinking in moles, atoms, or whatever.

   • 2007, Carl J. Gross, ‎Witold Nazarewicz, ‎Krzysztof P. Rykaczewski, The 4th International Conference on Exotic Nuclei and Atomic Masses (page 180)

     (a) Radons and poloniums are compared, (b) poloniums and astatines are compared and (c) radons and franciums are compared.

• actinium-K (obsolete)
• virginium (obsolete)

• eka-francium

francium n

1. francium

francium

1. francium

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francium n (uncountable)

1. francium

• IPA^(key): /fʁɑ̃.sjɔm/

francium m (uncountable)

1. francium

• “francium” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

• (Classical) IPA^(key): /ˈfran.ki.um/, [ˈfraŋ.ki.ũ]

francium n (genitive franciī); second declension

1. francium

Second declension.

• IPA^(key): /ˈfrant͡sium/

francium n (genitive singular francia, declension pattern of mesto)

1. francium (element)

• francium in Slovak dictionaries at korpus.sk