etch

• IPA^(key): /ɛt͡ʃ/

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• Rhymes: -ɛtʃ

From Dutch etsen (“to etch”), from German ätzen (“to etch”), from Old High German azzon (“to cause to bite or feed”), from Proto-Germanic *atjaną, causative of *etaną (“to eat”) (whence also English eat).

etch (third-person singular simple present etches, present participle etching, simple past and past participle etched)

1. 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.
2. To engrave a surface.
3. (figuratively) To make a lasting impression.

   The memory of 9/11 is etched into my mind.

4. To sketch; to delineate.
   • a. 1705, John Locke, “Of the Conduct of the Understanding”, in Posthumous Works of Mr. John Locke: […], London: […] A[wnsham] and J[ohn] Churchill, […], published 1706, →OCLC:

     There are many such empty terms to be found in some learned writers, to which they had recourse to etch out their system.

etch

1. Obsolete form of eddish.
   • 1707, J[ohn] Mortimer, The Whole Art of Husbandry; or, The Way of Managing and Improving of Land. […], 2nd edition, London: […] J[ohn] H[umphreys] for H[enry] Mortlock […], and J[onathan] Robinson […], published 1708, →OCLC:

     Black Oats are commonly sown upon an Etch Crop, or on a Lay which they plow up in January, when the Earth is moist, taking care to turn the Turf well, and to lay it even and flat.

• Chet, Tech., chet, echt, hect-, tech