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单词 indigoid
释义

indigoidadj.n.

/ˈɪndɪɡɔɪd/
Etymology: < German indigoid (P. Friedländer 1908, in Berichte der Deutsch. Chem. Ges. 41 773): see indigo n. (a ) and -oid suffix.
Of a dye: similar to indigotin in chemical structure, spec. in having another atom or atoms, esp. of sulphur, in place of one or both of the imino-groups. Hence as n., an indigoid dye.
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the world > matter > colour > colouring > colouring matter > [adjective] > yielding dye > types of dye
substantive1794
alizarin1857
Congo red1885
neutral1892
Janus1898
metachrome1901
direct1902
indigoid1908
reactive1941
thioindigoid1943
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
1908 Jrnl. Chem. Soc. 94 i. 371 (heading) Indigoid dyes.
1908 Jrnl. Chem. Soc. 94 i. 371 The author applies the term ‘indigoid’ to dyes which are related to indigotin in that the imino-groups of the latter are substituted by a sulphur or other bivalent atom or group.
1939 J. B. Conant Chem. Org. Compounds (rev. ed.) xxx. 560 Indigo, its halogenated derivatives, and certain related compounds of analogous structure are sometimes referred to as the indigoids.
1946 Biochem. Jrnl. 40 669/1 This communication describes the isolation and identification of the indigoid pigments indirubin and indigotin from the acid-treated urine of a case of sprue.
1952 K. Venkataraman Chem. Synthetic Dyes II. xxxiii. 1004 Apart from indigo itself, the thio~indigoids constitute a much more important series than the indigoids.
1963 A. J. Hall Student's Handbk. Textile Sci. iv. 178 All these new synthetic dyes related in chemical composition to indigo are classed as indigoid dyes.
1966 Kirk-Othmer Encycl. Chem. Technol. (ed. 2) XI. 562 The nomenclature of the indigoids is based on the indole.., or thionaphthene, part of the molecule.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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adj.n.1908
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