duotype


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duotype

[′dü·ə‚tīp]
(graphic arts)
A process in which two halftone plates, for letterpress, are produced from a black-and-white original, each plate being etched differently; one plate is etched for detail and printed in a dark color, and the other is etched for a flat effect and printed in a light color.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.