Dianium

noun

noun ·Rare ·Advanced level

Definitions

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

Etymology

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.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.