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vat dye

noun, Chemistry
1.
any of the class of insoluble dyes impregnated into textile fibers by reduction into soluble leuco bases that regenerate the insoluble dye on oxidation.
Origin of vat dye
1900-1905
1900-05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for vat dye
  • Each vat dye has its own optimum temperature and specific proportions of alkali and reducing agents for vatting.
British Dictionary definitions for vat dye

vat dye

noun
1.
a dye, such as indigo, that is applied by first reducing it to its leuco base, which is soluble in alkali, and then regenerating the insoluble dye by oxidation in the fibres of the material
Derived Forms
vat-dyed, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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