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acid washing

a process in which a denim garment is treated with a bleach solution containing chlorine-soaked stones so that the color becomes faded and the material is softer.
Related forms
acid-washed, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for acid washing
  • Detergent and acid washing laboratory apparatus prevents contamination.
  • Pour the ground sediment back into the vial and set the grinding vessel aside for acid washing.
  • The mechanical solutions tried are solids withdrawal and acid washing.
  • For example, acid washing of cyanide-contaminated debris could result in the formation of hydrogen cyanide.
  • The sample was tested before and after acid washing to remove calcium carbonate.

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