释义 |
vat I. \ˈvat, usu -ad.+V\ noun (-s) Etymology: Middle English vat, fat, from Old English fæt; akin to Old High German vaz vessel, cask, vat, Old Norse fat vessel, Lithuanian puodas pot and perhaps to Sanskrit palla granary, barn 1. : a large cistern, tub, barrel, or other vessel; especially : one used to hold or store liquids < soups fresh from the big fifty-gallon soup vats — Jack Alexander > 2. a. : a large vessel for holding preparations for dyeing b. : a liquor or bath containing a dye that has been converted by reduction usually with sodium hydrosulfite and alkali into a soluble leuco form that does not dye 3. : tan vat 4. a. : a tank used in papermaking that contains the stock from which handmade papers are dipped by a mold b. : one of the tanks in which the cylinders of a cylinder machine rotate c. : a tank used to hold tub sizing d. : a tank in which paper stock is bleached 5. : a wooden tub in which to wash ores and minerals 6. a. : salt pit b. Southwest : an incrusted dried margin around a water hole II. transitive verb (vatted ; vatted ; vatting ; vats) 1. : to put into or treat in a vat 2. : to prepare a vat (sense 2b) : reduce (a vat dye) to form a solution of a leuco compound |