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francium

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noun fran·ci·um \ˈfran(t)-sē-əm\

Definition of francium

  1. :  a short-lived radioactive element of the alkali-metal group occurring naturally as a disintegration product of actinium and also produced artificially — see element table



Origin and Etymology of francium

New Latin, from France


First Known Use: 1946


Medical Dictionary

francium

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noun fran·ci·um \ˈfran(t)-sē-əm\

Medical Definition of francium

  1. :  a radioactive element of the alkali-metal group discovered as a disintegration product of actinium and obtained artificially by the bombardment of thorium with protons—symbol Fr; see element table




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