Jenan.

Brit.

/ˈjeɪnə/, U.S.

/ˈjeɪnə/

Etymology: < Jena, the name of a city in eastern Germany.

Used attributively to designate glass made in Jena.Jena glass originated in the experiments of Ernst Abbe and Otto Schott, and became famous for its high quality, and for the special kinds that were developed for technical use.

ΘΚΠ

society > occupation and work > materials > derived or manufactured material > glass and glass-like materials > [noun] > glass > other types of glass

mirror glass1440

Venice glass1527

green glass1559

bubble glass1591

hard glass1597

window glass1606

bottle glass1626

looking-glass plate1665

opal glass1668

flint-glass1683

broad-glass1686

jealous glass1703

plate glass1728

Newcastle glass1734

flint1755

German sheet glass1777

Réaumur's porcelain1777

cut glass1800

Vauxhall1830

muslin glass1837

Venetian glass1845

latticinio1855

quartz glass1861

muff glass1865

thallium glass1868

St. Gobain glass1870

frost blue1873

crackle-glass1875

opaline1875

crackle-ware1881

amberina1883

opal1885

Jena1892

Holophane1893

roughcast1893

soda glass1897

opalite1899

milchglas1907

pâte de verre1907

Pyrex1915

silica glass1916

soda-lime glass1917

Vita-glass1925

peach-blow1930

borosilicate glass1933

Vitrolite1937

twin plate1939

sintered glass1940

gold-film1954

Plyglass1956

pyroceram1957

float glass1959

solar glass1977

1892 Work 4 145/2 The new Schott Jena glass.

1902 J. D. Everett & A. Everett tr. H. Hovestadt Jena Glass i. 20 The introduction of Jena glass into practical optics was initiated by Abbe, who was now enabled, with the help of the technical resources of Zeiss' optical works, to realise his long-cherished plans for the improvement of the microscope.

1902 J. D. Everett & A. Everett tr. H. Hovestadt Jena Glass vii. 189 Results for 29 different Jena glasses.

1902 Encycl. Brit. XXIX. 5/1 Analyses of some of the more interesting of the Jena glasses.

1902 Westm. Gaz. 23 June 8/2 All scientists have declared it impossible to construct a true Anastigmat lens without the aid of the Jena glass.

1908 W. Rosenhain Glass Manuf. i. 7 Another instance of these refractory glasses is to be found in the Jena special thermometer glasses..; the best of these glasses show little or no plasticity at temperatures approaching 500°C.

1941 Jrnl. Inst. Petroleum 27 434 The solution was sucked off via a Jena-glass immersion filter.

1954 G. W. Morey Properties Glass (ed. 2) iii. 78 The first Jena ‘Geräte’ glass, made before 1910.., differed from the ordinary soda-lime glass in the substitution of magnesia and zinc oxide for lime, and in having a small content of B₂O₃. Later..the soda content was reduced and the magnesia largely removed, with increase in the zinc oxide, alumina and boric oxide.

This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2022).

单词	jena
释义	Jenan. Brit. /ˈjeɪnə/, U.S. /ˈjeɪnə/ Etymology: < Jena, the name of a city in eastern Germany. Used attributively to designate glass made in Jena.Jena glass originated in the experiments of Ernst Abbe and Otto Schott, and became famous for its high quality, and for the special kinds that were developed for technical use. ΘΚΠ society > occupation and work > materials > derived or manufactured material > glass and glass-like materials > [noun] > glass > other types of glass mirror glass1440 Venice glass1527 green glass1559 bubble glass1591 hard glass1597 window glass1606 bottle glass1626 looking-glass plate1665 opal glass1668 flint-glass1683 broad-glass1686 jealous glass1703 plate glass1728 Newcastle glass1734 flint1755 German sheet glass1777 Réaumur's porcelain1777 cut glass1800 Vauxhall1830 muslin glass1837 Venetian glass1845 latticinio1855 quartz glass1861 muff glass1865 thallium glass1868 St. Gobain glass1870 frost blue1873 crackle-glass1875 opaline1875 crackle-ware1881 amberina1883 opal1885 Jena1892 Holophane1893 roughcast1893 soda glass1897 opalite1899 milchglas1907 pâte de verre1907 Pyrex1915 silica glass1916 soda-lime glass1917 Vita-glass1925 peach-blow1930 borosilicate glass1933 Vitrolite1937 twin plate1939 sintered glass1940 gold-film1954 Plyglass1956 pyroceram1957 float glass1959 solar glass1977 1892 Work 4 145/2 The new Schott Jena glass. 1902 J. D. Everett & A. Everett tr. H. Hovestadt Jena Glass i. 20 The introduction of Jena glass into practical optics was initiated by Abbe, who was now enabled, with the help of the technical resources of Zeiss' optical works, to realise his long-cherished plans for the improvement of the microscope. 1902 J. D. Everett & A. Everett tr. H. Hovestadt Jena Glass vii. 189 Results for 29 different Jena glasses. 1902 Encycl. Brit. XXIX. 5/1 Analyses of some of the more interesting of the Jena glasses. 1902 Westm. Gaz. 23 June 8/2 All scientists have declared it impossible to construct a true Anastigmat lens without the aid of the Jena glass. 1908 W. Rosenhain Glass Manuf. i. 7 Another instance of these refractory glasses is to be found in the Jena special thermometer glasses..; the best of these glasses show little or no plasticity at temperatures approaching 500°C. 1941 Jrnl. Inst. Petroleum 27 434 The solution was sucked off via a Jena-glass immersion filter. 1954 G. W. Morey Properties Glass (ed. 2) iii. 78 The first Jena ‘Geräte’ glass, made before 1910.., differed from the ordinary soda-lime glass in the substitution of magnesia and zinc oxide for lime, and in having a small content of B₂O₃. Later..the soda content was reduced and the magnesia largely removed, with increase in the zinc oxide, alumina and boric oxide. This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2022). < n.1892
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