azo-comb. form

Stress is determined by a range of factors though some degree of stress is usually maintained on this combining form.

Origin: Formed within English, by clipping or shortening. Etymon: azoto- comb. form.

Etymology: Shortened < azoto- comb. form.Compare French azo-, German azo-.In azohumic adj. at sense 1 after French azhumique (1870 or earlier).In azolitmin n. at sense 1 < German Azolitmin (1841) < azo- azo- comb. form + Litmus litmus n. + -in -in suffix¹.In azoleic acid n. at sense 1 after French acide azoléique (1837 or earlier).

Chemistry.

Short combining form of azote n., nitrogen. Used to form the names of:

1. gen. Compounds containing nitrogen, as azoˈhumic adj. nitrogenized humic (acid). azoˈlitmin n. the principal colouring matter of litmus. azoˈleic acid n. an acid formed by treating oleic with nitric acid.

ΘΚΠ

the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [adjective] > miscellaneous others

aloetic acid1810

anemonic acid1838

azohumic1863

ipecacuanhic1865

anilic1868

ulmous1868

alorcinic acid1872

racemic1892

racemized1896

lauroyl1939

the world > matter > chemistry > chemical tests > indicators > [noun] > test papers > colouring matter of constituents

azolitmin1863

1863 H. Watts Dict. Chem. III. 731 Azolitmin is a red-brown amorphous powder.

1881 C. Darwin Form. Veg. Mould v. 242 Some of the acids, which were called long ago azohumic, are enabled to dissolve colloid silica in proportion to the nitrogen which they contain.

Categories »

2. spec. Substitution compounds in which nitrogen takes the place of another element, as in the azoˈparaffins n. formed from the paraffins by substitution of 1 atom of nitrogen for 3 of hydrogen: e.g. azo-methane = hydrogen cyanide, azo-ethane = methyl cyanide, azo-propane = ethyl cyanide, etc.

a. more particularly. Compounds derived from the aromatic hydrocarbons, which contain nitrogen combined in a peculiar way, constituting the azo- and diazo- compounds, or azo- derivatives, e.g. azobenzene, azotoluene; diazo-amidobenzene, diazo-bromide; whence adjectives as azobenˈzoic, etc.

ΚΠ

1880 E. Cleminshaw tr. C. A. Wurtz Atomic Theory 219 Those very remarkable organic combinations known as azo- and diazo-compounds [Fr. composés azoïques et diazoïques].

1880 Friswell in Jrnl. Soc. Arts 445 Known as the azo-yellows, oranges, and scarlets.

azo-colours n.

Brit.

/ˈeɪzəʊkʌləz/

/ˈazəʊkʌləz/

U.S.

/ˈeɪzoʊˌkələrz/

/ˈæzoʊˌkələrz/

a group of coal-tar colours.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic dyes > [noun] > miscellaneous others

safranine1868

chrome1876

azo-colours1879

azine1887

auxochrome1893

Michler's hydrol1910

hypsochrome1917

merocyanine1937

the world > matter > colour > colouring > colouring matter > [noun] > dye > types of dyes

pallOE

sanders1329

raddlea1350

nutgallc1450

bark1565

logwood1581

sanders-wood1615

catechu1682

cate1698

cachou1708

valonia1722

India wood1742

cutch1759

alizari1769

standard1808

iron buff1836

colorine1838

acid dye1840

garancin1843

French tub1846

suranji1848

morindin1849

water blue1851

union dye1852

indigo-carmine1855

hernant1858

pigment colour1862

rosaniline1862

rose aniline1862

bezetta1863

bottom1863

acid colour1873

paraphenylenediamine1873

indigo-extract1874

tin-pulp1874

phthalein1875

sightening1875

chrome1876

rose bengal1878

azo-colours1879

azine1887

basic dye1892

chromotrope1893

garance1896

ice colour1896

xylochrome1898

cross-dye1901

indanthrene1901

Lithol1903

vat dye1903

thioindigo1906

para red1907

vat colour1912

vat dyestuff1914

indanthrone1920

ionamine1922

Soledon1924

Solochrome1924

Solacet1938

indigoid1939

thioindigoid1943

fluorol1956

Procion1956

1879 Witt in Jrnl. Chem. Soc. XXXV. 181 The variety of azo-colours in the market, and the number of patents..are constantly increasing.

1902 Encycl. Brit. XXVII. 559/1 Azo colours which are developed..upon the fibre itself (usually cotton) by the successive application of their constituent elements.

1963 R. R. A. Higham Handbk. Papermaking xii. 256 Azo colour pigments. Yellow, orange and red used in high-quality writings.

azo-dyes n.

Brit.

/ˈeɪzəʊdʌɪz/

/ˈazəʊdʌɪz/

U.S.

/ˈeɪzoʊˌdaɪz/

/ˈæzoʊˌdaɪz/

a group of coal-tar dyes.

ΚΠ

1884 Jrnl. Chem. Soc. 46 237 The preparation of azo-dyes from the trisulphonic acids of β-naphthol.

1894 G. M. Gould Illustr. Dict. Med. Azo-dyes, a well defined group of the coal-tar colors, all containing the diatomic group N  N, bound on either side to a benzene radical.

This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2022).

单词	azo-
释义	azo-comb. form Stress is determined by a range of factors though some degree of stress is usually maintained on this combining form. Origin: Formed within English, by clipping or shortening. Etymon: azoto- comb. form. Etymology: Shortened < azoto- comb. form.Compare French azo-, German azo-.In azohumic adj. at sense 1 after French azhumique (1870 or earlier).In azolitmin n. at sense 1 < German Azolitmin (1841) < azo- azo- comb. form + Litmus litmus n. + -in -in suffix¹.In azoleic acid n. at sense 1 after French acide azoléique (1837 or earlier). Chemistry. Short combining form of azote n., nitrogen. Used to form the names of: 1. gen. Compounds containing nitrogen, as azoˈhumic adj. nitrogenized humic (acid). azoˈlitmin n. the principal colouring matter of litmus. azoˈleic acid n. an acid formed by treating oleic with nitric acid. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [adjective] > miscellaneous others aloetic acid1810 anemonic acid1838 azohumic1863 ipecacuanhic1865 anilic1868 ulmous1868 alorcinic acid1872 racemic1892 racemized1896 lauroyl1939 the world > matter > chemistry > chemical tests > indicators > [noun] > test papers > colouring matter of constituents azolitmin1863 1863 H. Watts Dict. Chem. III. 731 Azolitmin is a red-brown amorphous powder. 1881 C. Darwin Form. Veg. Mould v. 242 Some of the acids, which were called long ago azohumic, are enabled to dissolve colloid silica in proportion to the nitrogen which they contain. Categories » 2. spec. Substitution compounds in which nitrogen takes the place of another element, as in the azoˈparaffins n. formed from the paraffins by substitution of 1 atom of nitrogen for 3 of hydrogen: e.g. azo-methane = hydrogen cyanide, azo-ethane = methyl cyanide, azo-propane = ethyl cyanide, etc. 3. a. more particularly. Compounds derived from the aromatic hydrocarbons, which contain nitrogen combined in a peculiar way, constituting the azo- and diazo- compounds, or azo- derivatives, e.g. azobenzene, azotoluene; diazo-amidobenzene, diazo-bromide; whence adjectives as azobenˈzoic, etc. ΚΠ 1880 E. Cleminshaw tr. C. A. Wurtz Atomic Theory 219 Those very remarkable organic combinations known as azo- and diazo-compounds [Fr. composés azoïques et diazoïques]. 1880 Friswell in Jrnl. Soc. Arts 445 Known as the azo-yellows, oranges, and scarlets. b. azo-colours n. Brit. /ˈeɪzəʊkʌləz/ , /ˈazəʊkʌləz/ , U.S. /ˈeɪzoʊˌkələrz/ , /ˈæzoʊˌkələrz/ a group of coal-tar colours. ΘΚΠ the world > matter > chemistry > organic chemistry > organic dyes > [noun] > miscellaneous others safranine1868 chrome1876 azo-colours1879 azine1887 auxochrome1893 Michler's hydrol1910 hypsochrome1917 merocyanine1937 the world > matter > colour > colouring > colouring matter > [noun] > dye > types of dyes pallOE sanders1329 raddlea1350 nutgallc1450 bark1565 logwood1581 sanders-wood1615 catechu1682 cate1698 cachou1708 valonia1722 India wood1742 cutch1759 alizari1769 standard1808 iron buff1836 colorine1838 acid dye1840 garancin1843 French tub1846 suranji1848 morindin1849 water blue1851 union dye1852 indigo-carmine1855 hernant1858 pigment colour1862 rosaniline1862 rose aniline1862 bezetta1863 bottom1863 acid colour1873 paraphenylenediamine1873 indigo-extract1874 tin-pulp1874 phthalein1875 sightening1875 chrome1876 rose bengal1878 azo-colours1879 azine1887 basic dye1892 chromotrope1893 garance1896 ice colour1896 xylochrome1898 cross-dye1901 indanthrene1901 Lithol1903 vat dye1903 thioindigo1906 para red1907 vat colour1912 vat dyestuff1914 indanthrone1920 ionamine1922 Soledon1924 Solochrome1924 Solacet1938 indigoid1939 thioindigoid1943 fluorol1956 Procion1956 1879 Witt in Jrnl. Chem. Soc. XXXV. 181 The variety of azo-colours in the market, and the number of patents..are constantly increasing. 1902 Encycl. Brit. XXVII. 559/1 Azo colours which are developed..upon the fibre itself (usually cotton) by the successive application of their constituent elements. 1963 R. R. A. Higham Handbk. Papermaking xii. 256 Azo colour pigments. Yellow, orange and red used in high-quality writings. azo-dyes n. Brit. /ˈeɪzəʊdʌɪz/ , /ˈazəʊdʌɪz/ , U.S. /ˈeɪzoʊˌdaɪz/ , /ˈæzoʊˌdaɪz/ a group of coal-tar dyes. ΚΠ 1884 Jrnl. Chem. Soc. 46 237 The preparation of azo-dyes from the trisulphonic acids of β-naphthol. 1894 G. M. Gould Illustr. Dict. Med. Azo-dyes, a well defined group of the coal-tar colors, all containing the diatomic group N  N, bound on either side to a benzene radical. This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2022). < comb. form1863
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