barytan.

Brit.

/bəˈrʌɪtə/, U.S.

/bəˈraɪdə/

Forms: Also (obs.) barita.

Etymology: < barytes n. Compare also baria n.

Chemistry.

The protoxide of barium; an alkaline earth distinguished by its great weight.

ΘΚΠ

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

barytes1791

baryt1794

baryta1809

baria1812

1809 Young in Philos. Trans. (Royal Soc.) 99 151 Phosphate of barita.

1809 Young in Philos. Trans. (Royal Soc.) 99 154 Barytes, as a single Greek word, means weight..but as the name of a stone, accented on the second syllable, it must be written barites; and the pure earth may properly be called barita.

1812 H. Davy Elements Chem. Philos. 338 Witherite, or carbonate of baryta.

attributive.1877 C. W. Thomson Voy. ‘Challenger’ I. i. 26 Baryta-water of known strength.

Compounds

Special combinations.

baryta paper n. paper coated with an emulsion of barium sulphate.

ΘΚΠ

society > occupation and work > materials > derived or manufactured material > material for making paper > paper > [noun] > coated papers

porcelain paper1829

wax-paper1844

silver paper1875

lead-paper1890

tar-paper1891

baryta paper1900

coated paper1902

flint paper1916

everdamp1922

silver-foil1944

1900 Photogr. Ann. 235 Baryta Paper, (Faced Paper)..Fine paper, faced with an emulsion of barium sulphate, rendered partly insoluble by chrome alum.

1954 Paper Terminol. (Spalding & Hodge) 13 Baryta Paper, a form of metallic paper on which marks can be made with a metal point or stylus... It..is used in certain types of automatic recording apparatus.

baryta white n. = permanent white (see permanent adj. and n. Compounds).

ΘΚΠ

the world > matter > colour > named colours > white or whiteness > whitener > [noun] > white pigment or paint

white leadlOE

whitea1300

blank plumbc1325

cerusec1405

white earth1448

Spanish white1546

litharge1551

mineral white1651

flake-white1660

Vienna white1816

permanent white1822

zinc white1847

constant white1854

Krems1854

Cremnitz1874

silver-white1875

lithoponea1884

baryta white1885

Charlton white1885

titanium white1920

1885 Encycl. Brit. XIX. 86/2 Baryta White..is prepared by grinding to a fine powder the pure white native sulphate of baryta (heavy spar).

1886 H. C. Standage Artists' Man. Pigments i. 1 Baryta White (also known as Constant or Permanent White).

This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2021).

单词	baryta
释义	barytan. Brit. /bəˈrʌɪtə/, U.S. /bəˈraɪdə/ Forms: Also (obs.) barita. Etymology: < barytes n. Compare also baria n. Chemistry. The protoxide of barium; an alkaline earth distinguished by its great weight. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > barium > [noun] > compounds > baryta barytes1791 baryt1794 baryta1809 baria1812 1809 Young in Philos. Trans. (Royal Soc.) 99 151 Phosphate of barita. 1809 Young in Philos. Trans. (Royal Soc.) 99 154 Barytes, as a single Greek word, means weight..but as the name of a stone, accented on the second syllable, it must be written barites; and the pure earth may properly be called barita. 1812 H. Davy Elements Chem. Philos. 338 Witherite, or carbonate of baryta. attributive.1877 C. W. Thomson Voy. ‘Challenger’ I. i. 26 Baryta-water of known strength. Compounds Special combinations. baryta paper n. paper coated with an emulsion of barium sulphate. ΘΚΠ society > occupation and work > materials > derived or manufactured material > material for making paper > paper > [noun] > coated papers porcelain paper1829 wax-paper1844 silver paper1875 lead-paper1890 tar-paper1891 baryta paper1900 coated paper1902 flint paper1916 everdamp1922 silver-foil1944 1900 Photogr. Ann. 235 Baryta Paper, (Faced Paper)..Fine paper, faced with an emulsion of barium sulphate, rendered partly insoluble by chrome alum. 1954 Paper Terminol. (Spalding & Hodge) 13 Baryta Paper, a form of metallic paper on which marks can be made with a metal point or stylus... It..is used in certain types of automatic recording apparatus. baryta white n. = permanent white (see permanent adj. and n. Compounds). ΘΚΠ the world > matter > colour > named colours > white or whiteness > whitener > [noun] > white pigment or paint white leadlOE whitea1300 blank plumbc1325 cerusec1405 white earth1448 Spanish white1546 litharge1551 mineral white1651 flake-white1660 Vienna white1816 permanent white1822 zinc white1847 constant white1854 Krems1854 Cremnitz1874 silver-white1875 lithoponea1884 baryta white1885 Charlton white1885 titanium white1920 1885 Encycl. Brit. XIX. 86/2 Baryta White..is prepared by grinding to a fine powder the pure white native sulphate of baryta (heavy spar). 1886 H. C. Standage Artists' Man. Pigments i. 1 Baryta White (also known as Constant or Permanent White). This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2021). < n.1809
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