单词 | dot etching |
释义 | > as lemmasdot etching dot etching n. (in photolithography) any of several methods of increasing or reducing the amount of tone or colour in a particular area of a half-tone negative or positive by means of adjusting the sizes of individual dots. ΚΠ 1937 J. S. Mertle Photolithogr. & Offset Printing ix. 138 The halftone positive for dot etching may be made either in the camera (from continuous tone negatives), or it may be made by contact printing from a halftone negative. 2005 P. Masterson Bk. Design & Production 225 Dot etching on negatives increases color; dot etching on positives reduces color. < as lemmas |
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