Sinhala Dictionary definitions for lanthanum
lanthanum 🔊 /læˈnθʌnʌm/
lanthanum : ලැන්තනම් නැමැති මූලද්රව්යය
lanthanum : ලැන්තනම්
lanthanum definition
Noun. A rare element of the group of the earth metals, allied to aluminium. It occurs in certain rare minerals, as cerite, gadolinite, orthite, etc., and was so named from the difficulty of separating it from cerium, didymium, and other rare elements with which it is usually associated. Atomic weight 138.5. Symbol La.