The Collaborative International Dictionary
Sylvanium
Sylvanium \Syl*va"ni*um\, n. [NL., so called from Transylvania, where it was first found.] (Chem.) An old name for tellurium. [Written also silvanium.]
Wiktionary
sylvanium
n. (context chemistry obsolete English) tellurium
Usage examples of "sylvanium".
Inside, Preacher Judd hung his hat on one of the foil-wrapped rabbit ears perched on top of an old Sylvania TV set, and followed the widow and her child into the kitchen.