"Zircona" is a word in ENGLISH

zircona ENGLISH
Definition:

Zirconia.

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earth ENGLISH

Any earthy-looking metallic oxide, as alumina, glucina, zirconia, yttria, and thoria.

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eudialyte ENGLISH

A mineral of a brownish red color and vitreous luster, consisting chiefly of the silicates of iron, zirconia, and lime.

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zircon ENGLISH

A mineral occurring in tetragonal crystals, usually of a brown or gray color. It consists of silica and zirconia. A …

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zirconia ENGLISH

The oxide of zirconium, obtained as a white powder, and possessing both acid and basic properties. On account of its …

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