francium
noun
fran·ci·um
ˈfran(t)-sē-əm 
: a short-lived radioactive element of the alkali-metal group occurring naturally as a disintegration product of actinium and also produced artificially see Chemical Elements Table
Examples of francium in a Sentence
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France also appears twice on the periodic table in the form of francium and gallium (from Gaul) and its capital city, Paris, gets a mention (in the form of lutetium).
—
Mark Lorch, Discover Magazine, 9 June 2016
Perey, being French, decided to call it francium instead.
—Neima Jahromi, The New Yorker, 27 Dec. 2019
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Mark Lorch, Discover Magazine, 9 June 2016
Perey, being French, decided to call it francium instead.
—Neima Jahromi, The New Yorker, 27 Dec. 2019
Cite this Entry
“Francium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/francium. Accessed 27 Feb. 2025.
Copy CitationKids Definition
francium
noun
fran·ci·um
ˈfran(t)-sē-əm
: a radioactive element obtained artificially by the bombardment of thorium with protons see element
Medical Definition
francium
noun
fran·ci·um
ˈfran(t)-sē-əm
: 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 Chemical Elements Table
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