Zincography n. : 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.

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Taxonomy
plate, Zincography, zinc plate, printer, zinc, varnish, Lithographie, maps, free encyclopedia, hygroscopic salts, drawing, asphalt, proof, albumen, lacquer varnish, printing process, Alois Senefelder, lithographic limestone.

Defination from the web:
Zincography was a planographic printing process that used zinc plates. ... Zincography is frequently confused with modern zinc-plate lithographic printing. It directly influenced the development of photozincography, an early form of photogravure. ...