English Explanatory Dictionary

francium

English dictionary entry

Meanings

noun
  1. The chemical element (symbol Fr) with an atomic number of 87. It is an intensely radioactive alkali metal that is not found in nature.
  2. A single atom of this element.

Pronunciation

/ˈfɹansɪəm/ /ˈfɹɑːnsɪəm/ frăn'sēəm /ˈfɹænsi.əm/ LL-Q1860 (eng)-Vealhurl-francium.wav LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-francium.wav

Word forms

francium franciums

Etymology

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

Synonyms

actinium-K virginium

Derived words

eka-francium franciumlike
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