# zirconium

> English word · Noun · IPA /zɜːɹˈkoʊniəm/ · frequency rank #56,553

## Definitions
1. A chemical element (symbol Zr) with an atomic number of 40, a strong, lustrous, grey-white transition metal mainly used as a refractory and opacifier.

## Etymology
From a New Latin coinage, from zircon. Doublet of jargonium.

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