anthraquinone

anthraquinone

[an-thruh-kwuh-nohn, -kwee-nohn, -kwin-ohn]
noun Chemistry.
a yellow, water-insoluble, crystalline powder, C 14 H 8 O 2 , usually derived from anthracene or phthalic anhydride: used chiefly in the manufacture of anthraquinone dyes.

Origin:
1880–85; anthra(cene) + quinone

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Collins
World English Dictionary
anthraquinone (ˌænθrəkwɪˈnəʊn, -ˈkwɪnəʊn)
 
n
a yellow crystalline solid used in the manufacture of dyes, esp anthraquinone dyes, which have excellent colour properties. Formula: C6H4(CO)2C6H4
 
[C19: anthra(cene) + quinone]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
anthraquinone   (ān'thrə-kwĭ-nōn', -kwĭn'ōn')  Pronunciation Key 
A yellow crystalline powder that is insoluble in water and used chiefly in the manufacture of dyes. Chemical formula: C14H8O2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

anthraquinone

the most important quinone derivative of anthracene and the parent substance of a large class of dyes and pigments. It is prepared commercially by oxidation of anthracene or condensation of benzene and phthalic anhydride, followed by dehydration of the condensation product

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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