francium

UK
/ˈfræn.si.əm/
US
/ˈfræn.si.əm/

Translations

franciumadjective
UK
/ˈfræn.si.əm/
US
/ˈfræn.si.əm/
Used attributively in chemical compound names (e.g., "francium chloride").
franciumnoun
Francium is a highly radioactive metal.
Франций - это высокорадиоактивный металл.

Definitions

franciumadjective
Relating to, containing, or derived from the chemical element francium.
The lab synthesized francium salts for spectroscopic analysis.
franciumnoun
A highly radioactive chemical element with the symbol Fr and atomic number 87, belonging to the alkali metal group.
Francium is one of the rarest elements on Earth, with only a few grams present in the Earth's crust at any time.