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单词 sulfur dye
释义 sulfur dye
noun
or sulfur color
: any of a class of sulfur-containing dyes that are made by heating various organic compounds (as aromatic polyamines or indophenols) with sulfur or alkali polysulfides and are used chiefly in dyeing cotton and other cellulose fibers — called also sulfide dye; see dye table I
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