vat

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vat / vat/ • n. 1. a large tank or tub used to hold liquid, esp. in industry: a vat of hot tar. 2. (also vat dye) a water-insoluble dye, such as indigo, that is applied to a fabric in a reducing bath, which converts it to a soluble form, the color being obtained on subsequent oxidation in the fabric fibers.• v. (vat·ted , vat·ting ) [tr.] (often be vatted) place or treat in a vat.

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