LANTHANIDE
Meaning of LANTHANIDE in English
/lan"theuh nuyd', -nid/ , n. Chem.
any element of the lanthanide series. Also called lanthanon /lan"theuh non'/ .
[ 1925-30; LANTHAN(UM) + -IDE ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012