Francium Definition

frănsē-əm
noun
A radioactive chemical element, an alkali metal, existing in minute amounts in nature as a decay product of actinium: symbol, Fr; at. no. 87
Webster's New World
Synonyms:
  • atomic number 87
  • fr

Origin of Francium

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

    From Wiktionary

  • After France

    From American Heritage Dictionary of the English Language, 5th Edition

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francium