Bible Dictionaries
Celtium

Webster's Dictionary

(n.) A supposed new element of the rare-earth group, accompanying lutecium and scandium in the gadolinite earths. Symbol, Ct (no period).

Bibliography Information
Webster, Noah. Entry for 'Celtium'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/celtium.html. 1828.