| anthraquinone | <chemistry> A hydrocarbon, C6H4.C2O2.C6H4, subliming in shining yellow needles. It is obtained by oxidation of anthracene. Origin: Anthracene + quinone. Source: Websters Dictionary (01 Mar 1998) |
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| anthraquinones | An anthracene ring which contains two ketone moieties in any position. Can be substituted in any position except on the ketone groups. (12 Dec 1998) |
| 9,10-anthraquinone | 1. 9,10-Dioxoanthracene;the basis of natural cathartic principles in plants; used as a reagent. 2. A compound containing 9,10-anthraquinone as a part of its structure; this class of compound comprises the largest group of naturally occurring quinones. (05 Mar 2000) |
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