a technique for engraving blown or cast glass or a metal by the use of an acidic substance; esp. the use of hydrofluoric acid to etch a pattern onto a glass or metal surface
Acid etching craft kits are now available, making the process simple and fun.
The plate is again put into the acid etching bath and further etched.
Scientific American Supplement, No. 643, April 28, 1888 Various
resistant to decolorizing by acidified alcohol after staining. Historical Examples The acid-fast bacteria are particularly rich in fatty substances, especially the higher wax-like fats. The Fundamentals of Bacteriology Charles Bradfield Morrey Other bacteria than the acid-fast group are stained blue by Gabbet’s method. A Manual of Clinical Diagnosis James Campbell Todd This method is supposed […]
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 […]
- Acid fuchsin
acid fuchsin acid fuchsin n. An acid dye used as an indicator and as a stain for cytoplasm and collagen.
- Acid freak
acid freak n phr,n A person who uses LSD, esp one who uses the drug heavily or habitually: He has suggested that some of our recent Presidents were acidheads (Narcotics)