单词 | nitroso dye |
释义 | > as lemmasnitroso dye nitroso dye n. Brit. /nʌɪˈtrəʊsəʊ dʌɪ/ , U.S. /naɪˈtroʊsoʊ ˌdaɪ/ any of several mordant dyes having a nitroso group as the chromophore, which are obtained by the action of nitrous acid on phenols or naphthols.ΚΠ 1911 I. W. Fay Chem. Coal-tar Dyes v. 71 Naphthol green B. is a nitroso dye which, unlike the other members of this class, does not require a mordant upon the fabric to be dyed. 1961 H. Blackshaw & R. Brightman Dict. Dyeing & Textile Printing 118 Existing commercial nitroso dyes are few in number. < as lemmas |
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