| 单词 | nitroso dye | 
| 释义 | > as lemmasnitroso dye   nitroso dye  n.  Brit. , U.S. 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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