Definition of "etch"
verb:
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To cut into a surface with an acid or other corrosive substance in order to make a pattern. Best known as a technique for creating printing plates, but also used for decoration on metal, and, in modern industry, to make circuit boards.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
To engrave a surface.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
To make a lasting impression.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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