Acid etching


noun

a technique for engraving blown or cast gl-ss or a metal by the use of an acidic substance; esp. the use of hydrofluoric acid to etch a pattern onto a gl-ss or metal surface
examples

acid etching craft kits are now available, making the process simple and fun.
word origin

by 1873
historical examples

the plate is again put into the acid etching bath and further etched.
scientific american supplement, no. 643, april 28, 1888 various

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  • Acid-forming

    yielding acid in chemical reaction; acidic. (of food) containing a large amount of acid ash after complete oxidation. historical examples the desirable type of acid-forming bacteria do not form spores; hence, are easily killed by heating the milk. outlines of dairy bacteriology h. l. russell the fermentation which produces acid and the diffusion of acid-forming […]

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