单词 | azo-dyes |
释义 | > as lemmasazo-dyes azo-dyes n. Brit. /ˈeɪzəʊdʌɪz/ , /ˈazəʊdʌɪz/ , U.S. /ˈeɪzoʊˌdaɪz/ , /ˈæzoʊˌdaɪz/ a group of coal-tar dyes.ΚΠ 1884 Jrnl. Chem. Soc. 46 237 The preparation of azo-dyes from the trisulphonic acids of β-naphthol. 1894 G. M. Gould Illustr. Dict. Med. Azo-dyes, a well defined group of the coal-tar colors, all containing the diatomic group N N, bound on either side to a benzene radical. < as lemmas |
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