nZincographyThe 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.
Century Dictionary and Cyclopedia
nzincographyThe art of producing on zinc a printing surface in relief by etching with dilute acid the unprotected parts of the plate. Compare paniconography.
Chambers's Twentieth Century Dictionary
nZincographyzing-kog′ra-fi a process of etching on zinc (or copper) by which black and white pictures of all kinds can be reproduced as surface-blocks for printing by the ordinary letterpress process—in the etching the whites, and not the black lines as in the ordinary etching, are eaten away