zirconian.

Brit.

/zəːˈkəʊnɪə/,

/zəˈkəʊnɪə/, U.S.

/zərˈkoʊniə/

Forms: 1700s–1800s circonia, 1800s zircona, 1800s– zirconia.

Origin: A borrowing from Latin. Etymon: Latin circonia.

Etymology: < scientific Latin circonia (compare quot. 1794 at main sense), use as noun (short for terra circonia zircon earth: see zircon earth n. at zircon n. Compounds 2) of the feminine of circonius (1789 or earlier in silex circonius : see zircon n.) < German Zirkon zircon n. + classical Latin -ius, suffix forming adjectives. Compare French circonie (1794), and also scientific Latin circonius (noun), denoting zircon (1789 or earlier).In forms with z- showing alteration after zircon n. In form zircona showing alteration after -a suffix¹ 2. Compare the following earlier example of scientific Latin terra circonia in an English context:1790 Analyt. Rev. 7 469 This earth, which Mr. K[laproth] terms terra circonia, appeared to differ in some respects from each of the five primitive earths hitherto admitted.

Chemistry.

A white solid, zirconium dioxide, which is made by heating zirconium compounds in contact with air and is used in ceramic glazes and heat-resistant coatings.Formula: ZrO₂. Zirconia occurs naturally as the mineral baddeleyite.

cubic zirconia: see cubic adj.

ΘΚΠ

the world > matter > chemistry > elements and compounds > metals > specific elements > zirconium > [noun] > compounds

zirconia1794

1794 J. G. Schmeisser Syst. Mineral. I. 57 According to Klaproth, it yielded by analysis 68 grains of circonia, 31 grains of siliceous earths, one grain of iron.

1800 tr. E. J. B. Bouillon-Lagrange Man. Course Chem. I. 160 When exposed to a violent heat, zirconia [Fr. la zircone] becomes fused, and assumes a somewhat greyish colour.

1812 H. Davy Elements Chem. Philos. 361 Zircona is soluble in the mineral acids.

1871 tr. H. Schellen Spectrum Anal. 19 The oxyhydrogen light..attains a still higher intensity, if a piece of magnesium or zirconia be substituted for the cylinder of lime.

1938 R. Hum Chem. for Engin. Students xxv. 691 Zirconia..melts above 2000°C., and can be used for crucibles and furnace linings, but is too expensive for common use.

1999 Global Ceramic Rev. Autumn 28/2 When zirconia is vacuum brazed, it undergoes significant (and unsightly) discoloration due to the diffusion of oxygen from the zirconia.

Compounds

In general use as a modifier.

ΚΠ

1849 H. Watts tr. L. Gmelin Hand-bk. Chem. III. xiv. 343 The zirconia-salts [Ger. Zirkonerdesalzen] are not precipitated by zinc.

1869 Engineer 4 June 399/3 One night, however, at a soirée at King's College, the zirconia light was exhibited, burning with great steadiness and brilliancy.

1992 New Scientist 12 Sept. 22/3 Blades of alumina and zirconia ceramics..are more expensive but stay sharper than steel-bladed products.

This entry has been updated (OED Third Edition, March 2021; most recently modified version published online March 2022).

单词	zirconia
释义	zirconian. Brit. /zəːˈkəʊnɪə/, /zəˈkəʊnɪə/, U.S. /zərˈkoʊniə/ Forms: 1700s–1800s circonia, 1800s zircona, 1800s– zirconia. Origin: A borrowing from Latin. Etymon: Latin circonia. Etymology: < scientific Latin circonia (compare quot. 1794 at main sense), use as noun (short for terra circonia zircon earth: see zircon earth n. at zircon n. Compounds 2) of the feminine of circonius (1789 or earlier in silex circonius : see zircon n.) < German Zirkon zircon n. + classical Latin -ius, suffix forming adjectives. Compare French circonie (1794), and also scientific Latin circonius (noun), denoting zircon (1789 or earlier).In forms with z- showing alteration after zircon n. In form zircona showing alteration after -a suffix¹ 2. Compare the following earlier example of scientific Latin terra circonia in an English context:1790 Analyt. Rev. 7 469 This earth, which Mr. K[laproth] terms terra circonia, appeared to differ in some respects from each of the five primitive earths hitherto admitted. Chemistry. A white solid, zirconium dioxide, which is made by heating zirconium compounds in contact with air and is used in ceramic glazes and heat-resistant coatings.Formula: ZrO₂. Zirconia occurs naturally as the mineral baddeleyite. cubic zirconia: see cubic adj. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > zirconium > [noun] > compounds zirconia1794 1794 J. G. Schmeisser Syst. Mineral. I. 57 According to Klaproth, it yielded by analysis 68 grains of circonia, 31 grains of siliceous earths, one grain of iron. 1800 tr. E. J. B. Bouillon-Lagrange Man. Course Chem. I. 160 When exposed to a violent heat, zirconia [Fr. la zircone] becomes fused, and assumes a somewhat greyish colour. 1812 H. Davy Elements Chem. Philos. 361 Zircona is soluble in the mineral acids. 1871 tr. H. Schellen Spectrum Anal. 19 The oxyhydrogen light..attains a still higher intensity, if a piece of magnesium or zirconia be substituted for the cylinder of lime. 1938 R. Hum Chem. for Engin. Students xxv. 691 Zirconia..melts above 2000°C., and can be used for crucibles and furnace linings, but is too expensive for common use. 1999 Global Ceramic Rev. Autumn 28/2 When zirconia is vacuum brazed, it undergoes significant (and unsightly) discoloration due to the diffusion of oxygen from the zirconia. Compounds In general use as a modifier. ΚΠ 1849 H. Watts tr. L. Gmelin Hand-bk. Chem. III. xiv. 343 The zirconia-salts [Ger. Zirkonerdesalzen] are not precipitated by zinc. 1869 Engineer 4 June 399/3 One night, however, at a soirée at King's College, the zirconia light was exhibited, burning with great steadiness and brilliancy. 1992 New Scientist 12 Sept. 22/3 Blades of alumina and zirconia ceramics..are more expensive but stay sharper than steel-bladed products. This entry has been updated (OED Third Edition, March 2021; most recently modified version published online March 2022). < n.1794
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