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单词 alkali blue
释义 alkali blue
noun
1. : any of various alkali-soluble triphenylmethane dyes that are essentially sodium salts of monosulfonic acids of phenylated pararosaniline and are used chiefly in making pigments — see dye table I (under Acid Blue 110)
2. : any of the fairly permanent pigments made from an alkali blue dye and used chiefly in printing inks
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