† tantalium Chem. Obs.
(tænˈteɪlɪəm)
An early variant of the name tantalum (after other names of metals in -ium).
| 1805 Nisbet Dict. Chem., Tantalium is a new metal, which has lately been discovered by Mr. Ekeberg, a Swedish chemist. 1812 Sir H. Davy Chem. Philos. 50. 1839 Ure Dict. Arts 309 It is also called Tantalium. |