anthraquinone
[an-thruh-kwuh-nohn, -kwee-nohn, -kwin-ohn]
- a yellow, water-insoluble, crystalline powder, C14H8O2, usually derived from anthracene or phthalic anhydride: used chiefly in the manufacture of anthraquinone dyes.
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Origin of anthraquinone
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for anthraquinone
Historical Examples
The quinone with which we are at present concerned is anthraquinone.
CoalRaphael Meldola
Various synthetic processes have been used for the preparation of anthraquinone.
Anthraquinone crystallizes in yellow needles or prisms, which melt at 277 C.
The anthraquinone thus produced is washed and dissolved at a moderate heat in sulphuric acid.
One of them was prepared from anthraquinone selenocyanide, by the action of ammonia under pressure.
anthraquinone
- a yellow crystalline solid used in the manufacture of dyes, esp anthraquinone dyes, which have excellent colour properties. Formula: C 6 H 4 (CO) 2 C 6 H 4
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Word Origin
C19: anthra (cene) + quinone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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anthraquinone
[ăn′thrə-kwĭ-nōn′, -kwĭn′ōn′]
- A yellow crystalline powder that is insoluble in water and used chiefly in the manufacture of dyes. Chemical formula: C14H8O2.
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The American Heritage® Science Dictionary
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