# dianium

> English word · Noun

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

## 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.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/dianium