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etch |
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etchTo create a design in a material by digging out the material. The circuit designs on printed circuit boards and chips are etched by acid. See chip and printed circuit board. etch [ech] (graphic arts) To incise lines on a plate of metal, glass, or other material by covering it with an acid-resistant coating, scratching through the coating, and then permitting an acid bath to erode exposed parts of the plate. (metallurgy) To corrode the surface of a metal in order to reveal its composition and structure. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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