Zirconia

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Zirconia \Zir*co"ni*a\, n. [NL.] (Chem.)
     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}.
        [PJC]

From WordNet (r) 2.0 [wn]:

  zirconia
       n : a white crystalline oxide; used in refractories and in
           insulation and abrasives and enamels and glazes [syn: {zirconium
           oxide}, {zirconium dioxide}]

From U.S. Gazetteer (1990) [gazetteer]:

  Zirconia, NC
    Zip code(s): 28790