etching

[ech-ing]
noun
1.
the act or process of making designs or pictures on a metal plate, glass, etc., by the corrosive action of an acid instead of by a burin.
2.
an impression, as on paper, taken from an etched plate.
3.
the design so produced.
4.
a metal plate bearing such a design.

Origin:
1625–35; etch + -ing1

Dictionary.com Unabridged

etch

[ech]
verb (used with object)
1.
to cut, bite, or corrode with an acid or the like; engrave with an acid or the like, as to form a design in furrows that when charged with ink will give an impression on paper.
2.
to produce (a design, image, etc.) by this method, as on copper or glass.
3.
to outline clearly or sharply; delineate, as a person's features or character.
4.
to fix permanently in or implant firmly on the mind; root in the memory: Our last conversation is etched in my memory.
5.
Geology. to cut (a feature) into the surface of the earth by means of erosion: A deep canyon was etched into the land by the river's rushing waters.
verb (used without object)
6.
to practice the art of etching.
noun
7.
Printing. an acid used for etching.

Origin:
1625–35; < Dutch etsen < German ätzen to etch, orig. cause to eat; cognate with Old English ettan to graze; akin to eat

etcher, noun
unetched, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
etch (ɛtʃ)
 
vb
1.  (tr) to wear away the surface of (a metal, glass, etc) by chemical action, esp the action of an acid
2.  to cut or corrode (a design, decoration, etc) on (a metal or other plate to be used for printing) by using the action of acid on parts not covered by wax or other acid-resistant coating
3.  (tr) to cut with or as if with a sharp implement: he etched his name on the table
4.  (tr; usually passive) to imprint vividly: the event was etched on her memory
 
[C17: from Dutch etsen, from Old High German azzen to feed, bite]
 
'etcher
 
n

etching (ˈɛtʃɪŋ)
 
n
1.  the art, act, or process of preparing etched surfaces or of printing designs from them
2.  an etched plate
3.  an impression made from an etched plate

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

etch
1630s, "to engrave by eating away the surface of with acids," from Du. etsen, from Ger. ätzen "to etch," from O.H.G. azzon "cause to bite, feed," from P.Gmc. *atjanan, caus. of *etanan "eat." Related: Etched; etching.

etching
1630s, action of the verb etch.; c.1770 as "a print, etc., made from an etched plate."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Cultural Dictionary

etching definition


An artistic print made from a plate on which the artist has etched a design with acid. (Compare engraving.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
First the alumina on the substrate is precisely patterned using lithography and then etching is performed using chemicals.
The company has said that making the three-dimensional channels only involves an extra etching step.
When you reached the desired depth of etching, you simply rinsed it with water which stopped the process.
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