anthraquinone

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

/ ˌæn θrə kwəˈnoʊn, -ˈkwi noʊn, -ˈkwɪn oʊn /

noun Chemistry.

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

Nearby words

Origin of anthraquinone

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for anthraquinone

So far only the diselenides of anthraquinone and their phenols are recognized remedies.
Synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives|Y-Gwan Chen
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
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

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

/ (ˌænθrəkwɪˈnəʊn, -ˈkwɪnəʊn) /

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

Science definitions for anthraquinone

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.