Encyclopedia

etch figures

etch figures

[′ech ‚fig·yərz]
(metallurgy)
Minute, faceted pits or surfaces produced on a metal surface by chemical reaction with an etchant.
(mineralogy)
A minute pit produced by a solvent on the crystal face of a mineral which reveals its molecular structure.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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