vat dye

noun Chemistry.

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

First recorded in 1900–05

Words nearby vat dye

vastitude, vastity, vastus, vasty, vat, vat dye, vat., vater, vater's ampulla, vatic, vatican

British Dictionary definitions for vat dye

vat dye

noun

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 of vat dye

vat-dyed, adjective