zirconia

POS

Noun

HYPHEN

zir=co=ni=a

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WORDNET DICTIONARY

Noun zirconia has 1 sense

zirconia(n = noun.substance) zirconium dioxide, zirconium oxide - a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes;

is a kind of oxide

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CIDE DICTIONARY

zirconia, n. [NL.].

The oxide of zirconium (ZrO2), 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 Drummomd light. [1913 Webster]

cubic zirconia. A colorless form of zirconia similar in appearance and refractivity to diamond, and used as a substitute for diamonds in inexpensive jewelry; -- also known by the acronym CZ.