photoengraving zinc

photoengraving zinc

[¦fōd·ō·in′grāv·iŋ ‚ziŋk]
(metallurgy)
Pure zinc mixed with a small amount of iron to reduce grain size, and alloyed with a maximum of 0.2% each of cadmium, manganese, and magnesium; used for printing plates.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.