(n.) A supposed new element of the rare-earth group, accompanying lutecium and scandium in the gadolinite earths. Symbol, Ct (no period).
CELTIUM
Meaning of CELTIUM in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) A supposed new element of the rare-earth group, accompanying lutecium and scandium in the gadolinite earths. Symbol, Ct (no period).
Webster's English dictionary. Английский словарь Webster. 2012