substantive dye

substantive dye

noun
dye with a high affinity for cellulose fibers (cotton or rayon etc.) [syn: direct dye
WordNet® 3.0, © 2006 by Princeton University.
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Encyclopedia Britannica
Encyclopedia

substantive dye

any of a class of coloured, water-soluble compounds that have an affinity for fibre and are taken up directly, such as the benzidine derivatives. Direct dyes are usually cheap and easily applied, and they can yield bright colours. Washfastness is poor but may be improved by aftertreatment. Most packaged dyes sold for home use are direct dyes.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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