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zirconium dioxide

zirconium oxide

noun
Chemistry. a white, heavy, amorphous, odorless and tasteless, infusible, water-insoluble powder, ZrO2, used chiefly as a pigment for paints, an abrasive, and in the manufacture of refractory crucibles.
Also called zir·co·ni·a [zur-koh-nee-uh] , zirconium dioxide.


Origin:
1865–70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Zirconium dioxide is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a fool or simpleton; ninny.
Encyclopedia Britannica
Encyclopedia

zirconium dioxide

zirconium dioxide, an industrially important compound of zirconium and oxygen usually derived from the mineral zircon (see zirconium).

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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