From German - English Ding/FreeDict dictionary ver. 1.9-fd1: Hafnium /hˈafniːˌʊm/ (Hf /hˌɑːˈɛf/) <neut, n, sg> [chem.] hafnium <n>, celtium <n> [obs.]
Hafnium /hˈafniːˌʊm/ (Hf /hˌɑːˈɛf/) <neut, n, sg> [chem.] hafnium <n>, celtium <n> [obs.]