vat dye

vat dye

n.

A dye, such as indigo, that produces a fast color by impregnating fiber with a reduced soluble form that is then oxidized to an insoluble form.

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vat-dyed (vtdd) adj.

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vat dye

n

(Clothing, Personal Arts & Crafts / Dyeing) 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

vat-dyed  adj

Thesaurus

Noun

1.

vat dye - 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 vat color dye, dyestuff - a usually soluble substance for staining or coloring e.g. fabrics or hair