anthraquinonen.

Brit.

/ˌanθrəˈkwɪnəʊn/, U.S.

/ˌænθrəˈkwɪˌnoʊn/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: anthra- comb. form, quinone n.

Etymology: < anthra- comb. form + quinone n., after German Anthrachinon (C. Graebe & C. Liebermann 1868, in Berichte der Deutsch. Chem. Ges. 1 188).

Chemistry.

A yellow crystalline compound of the quinone class which is obtained by oxidation of anthracene and is the basis of many natural and synthetic dyes. Also: any of various other quinones with similar structures. Formerly also called oxanthracene.Systematic name: 9,10-anthracenedione; C₁₄H₈O₂.

ΚΠ

1869 Chem. News 23 Apr. 202/2 The anthraquinone thus obtained is first washed with water crystallised from alcohol or benzol, and so purified constitutes a yellow-coloured solid.

1881 Athenæum 17 Dec. 819/2 Artificial alizarine is prepared at the positive pole from a mixture of anthraquinone and caustic potash.

1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) liv. 815 Many of the milder natural purgatives, such as cascara, senna, aloes, and rhubarb, appear to contain hydroxy derivatives of anthraquinone..as their active constituents.

1957 R. H. Thomson Naturally Occurring Quinones iv. 165 The leaves of the foxglove..contain two pigments, luteolin (digitoflavone) and another, digitoluteine, recently identified as an anthraquinone.

1995 S. E. Grace in M. Lowry Sursum Corda! I. 417 Alizarin..was one of the earliest-known dyes, originally obtained from madder but now derived from anthraquinone.

2006 J. T. Costa Other Insect Societies xvi. 498 The larvae evert these sacs when disturbed, releasing sticky yellow droplets that contain anthraquinones and anthrones.

This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2021).

单词	anthraquinone
释义	anthraquinonen. Brit. /ˌanθrəˈkwɪnəʊn/, U.S. /ˌænθrəˈkwɪˌnoʊn/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: anthra- comb. form, quinone n. Etymology: < anthra- comb. form + quinone n., after German Anthrachinon (C. Graebe & C. Liebermann 1868, in Berichte der Deutsch. Chem. Ges. 1 188). Chemistry. A yellow crystalline compound of the quinone class which is obtained by oxidation of anthracene and is the basis of many natural and synthetic dyes. Also: any of various other quinones with similar structures. Formerly also called oxanthracene.Systematic name: 9,10-anthracenedione; C₁₄H₈O₂. ΚΠ 1869 Chem. News 23 Apr. 202/2 The anthraquinone thus obtained is first washed with water crystallised from alcohol or benzol, and so purified constitutes a yellow-coloured solid. 1881 Athenæum 17 Dec. 819/2 Artificial alizarine is prepared at the positive pole from a mixture of anthraquinone and caustic potash. 1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) liv. 815 Many of the milder natural purgatives, such as cascara, senna, aloes, and rhubarb, appear to contain hydroxy derivatives of anthraquinone..as their active constituents. 1957 R. H. Thomson Naturally Occurring Quinones iv. 165 The leaves of the foxglove..contain two pigments, luteolin (digitoflavone) and another, digitoluteine, recently identified as an anthraquinone. 1995 S. E. Grace in M. Lowry Sursum Corda! I. 417 Alizarin..was one of the earliest-known dyes, originally obtained from madder but now derived from anthraquinone. 2006 J. T. Costa Other Insect Societies xvi. 498 The larvae evert these sacs when disturbed, releasing sticky yellow droplets that contain anthraquinones and anthrones. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2021). < n.1869
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