indigoid vat dye

indigoid vat dye
noun

Useful english dictionary. 2012.

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  • vat dye — noun a water insoluble dye that is applied by reducing the dye to an alkaline form, applying the dye, then regenerating the insoluble dye by oxidation in the material; used for dyeing cotton • Syn: ↑vat color • Hypernyms: ↑dye, ↑dyestuff * * *… …   Useful english dictionary

  • indigoid dye — noun or indigoid vat dye also indigoid ( s) : any of a class of vat dyes characterized by the same chromophore as indigo (sense 1b) compare thioindigoid dye …   Useful english dictionary

  • vat color — noun a water insoluble dye that is applied by reducing the dye to an alkaline form, applying the dye, then regenerating the insoluble dye by oxidation in the material; used for dyeing cotton • Syn: ↑vat dye • Hypernyms: ↑dye, ↑dyestuff * * * noun …   Useful english dictionary

  • thioindigoid dye — noun also thioindigoid : any of a class of vat dyes characterized by the same chromophore as indigo (sense 1b) but with sulfur instead of an imino group as an auxochrome compare indigoid dye …   Useful english dictionary

  • in|di|goid — «IHN duh goyd», adjective, noun. –adj. 1. of the same quality and color as indigo. 2. of or belonging to a group of vat dyes that produce a color resembling indigo. –n. an indigoid dye …   Useful english dictionary

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