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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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

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.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Floodlights, piercing the darkness, etch familiar landmarks in silver against a
  velvet sky.
If the presence of oxygen is enabling this effect, maybe different etch rates
  may be obtainable with different atmospheres.
Tiny diamonds etch its design--olive branches with leaves--and, perched
  symmetrically upon them, eight doves.
Here skaters with a wide range of skills etch their blades into smooth,
  machine-made ice.
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