anthraquinone

[an-thruh-kwuh-nohn, -kwee-nohn, -kwin-ohn]

noun Chemistry.

a yellow, water-insoluble, crystalline powder, C14H8O2, usually derived from anthracene or phthalic anhydride: used chiefly in the manufacture of anthraquinone dyes.

Origin of anthraquinone

First recorded in 1880–85; anthra(cene) + quinone

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for anthraquinone

Historical Examples of anthraquinone

The quinone with which we are at present concerned is anthraquinone.
Coal
Raphael Meldola
Various synthetic processes have been used for the preparation of anthraquinone.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2
Various
Anthraquinone crystallizes in yellow needles or prisms, which melt at 277 C.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2
Various
The anthraquinone thus produced is washed and dissolved at a moderate heat in sulphuric acid.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I
Arnold Cooley
One of them was prepared from anthraquinone selenocyanide, by the action of ammonia under pressure.
Synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives
Y-Gwan Chen

British Dictionary definitions for anthraquinone

anthraquinone

noun

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

Word Origin for anthraquinone

C19: anthra (cene) + quinone

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

anthraquinone in Science

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.