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Vinony

zirconia

noun

  1. a white crystalline oxide of zirconium (zirconium dioxide, ZrO₂)
L1493467 on Wikidata ↗

Wiktionary

Pronunciation: /zɜːˈkəʊ.ni.ə/ / /zɝˈkoʊ.ni.ə/

noun

  1. The oxide of zirconium, obtained as a white powder, and possessing both acid and basic properties. On account of its infusibility, and brilliant luminosity when incandescent, it is used as an ingredient of sticks for the Drummond light.