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urn a flange (Mech.), to form a flange on, as around a metal sheet or boiler plate, by stretching, bending, and hammering, or rolling the metal. -- To turn against. (a) To direct against; as, to turn one's arguments against himself. (b) To make unfavorable or hostile to; as, to turn one's friends against him. -- To t…

, or wall, round the edge of a plate, so as to form a trough for holding the acid used in etching, and the like. Fairholt.

iting surfaces, for excluding air, and for other purposes; as, sealing wax, grafting wax, etching wax, etc.

The art or process of engraving or etching on zinc, in which the design is left in relief in the style of a wood cut, the rest of the ground being eaten away by acid.