eka-protactinium

Noun

Meaning

Unbitrium (Ubt), an unsynthesized chemical element with atomic number 123.

Unquadunium (Uqu), an unsynthesized element with atomic number 141.

Source: en.wiktionary.org

Synonyms

ununquadium

Close letter words and terms

eka-platinum eka-plutonium eka-polonium eka-radium eka-radon eka-rhenium