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单词 indogen
释义

indogenn.

/ˈɪndəʊdʒɛn/
Etymology: < indo- comb. form2 + -gen comb. form 1.
Chemistry.
A name for the group C6H4CONHC= the double molecule of which (di-indogen) constitutes indigo-blue. Indigo-blue is the indogenide of pseudo-isatin, or di-indogen.
ΘΚΠ
the world > matter > chemistry > organic chemistry > organic dyes > [noun] > colouring blue
indophane1875
induline1882
indoaniline1886
indogen1886
indanthrone1920
phthalocyanine blue1947
phthalo1967
1886 New Sydenham Soc. Lexicon Indogen.

Derivatives

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indoˈgenic adj.
Categories »
indogenic acid n. = indoxylic acid.
inˈdogenide n. a compound of indogen with another radical, as indogenide of benzoic aldehyde, or of pyruric acid.
ΚΠ
1892 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) III. 7 Indoxyl forms condensation products, called indogenides, with bodies containing a CO group.
This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2018).
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n.1886
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