eka-caesium

Noun

Meaning

eka-caesium (uncountable)

(obsolete) Francium.

Source: en.wiktionary.org

Examples

Erroneous and incomplete discoveries Soviet chemist D. K. Dobroserdov was the first scientist to claim to have found eka-caesium, or francium. Source: Internet

They observed spectral lines which they presumed to be of eka-caesium. Source: Internet

Close letter words and terms

eka-bismuth eka-boron eka-cadmium eka-carbon eka-cobalt eka-francium