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.
00:10
Etch
is always a great word to know.
So is core. Does it mean:
| central portion of the earth believed to be composed mainly of iron and nickel in a molten state |
| ratio of the volume of the pores of a substance to the total volume of the mass |
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
1625–35; < Dutch etsen < German ätzen to etch, orig. cause to eat; cognate with Old English ettan to graze; akin to eat
Related forms
etch·er, noun
un·etched, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To etch
Collins
World English Dictionary
etch (ɛtʃ) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —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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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
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
The answer the firm has come up with is to etch layers of tiny channels between the slivers of silicon that carry the components.
Electrochemically grow the anodized membrane, switch electrolyte and poles to grow silver, etch a tad to remove surface connects.
The team first used photolithography to etch a template of interconnected veins, arteries and capillaries onto the wafer.
After fierce criticism, they're now going to etch off the truncated version and put the whole thing on, in smaller letters.
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