sylvanium

== English == === Alternative forms === silvanium === Etymology === From New Latin silvānium, so called from Transylvania, where it was first found, + -ium. === Noun === sylvanium (uncountable) (obsolete) tellurium === References === “sylvanium”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.