dianium

From New Latin dianium, from Latin Diana; either as the name of the Roman goddess, or from its use in Old English as a name of silver.

dianium (uncountable)

1. (chemistry) (obsolete) niobium (although formerly thought as a distinct element)

• “dianium”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• Numidia