from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A supposed chemical element extracted from wasite, later identified as thorium.
from the GNU version of the Collaborative International Dictionary of English
- n. A rare element supposed by Bahr to have been extracted from wasite, but now identified with thorium.
from The Century Dictionary and Cyclopedia
- n. A supposed new chemical element announced in 1862 by Bahr as present in a Swedish mineral resembling orthite. Its supposed oxid was probably thoria, though it may have been a mixture of earths of the yttria and ceria groups.
Wasa + -ium, after a former royal family of Sweden. (Wiktionary)