acid-fast definition

  • adjective:
    • maybe not decolorized by acid after staining, as germs that retain dye after an acid rinse.
    • Retaining stain when treated with an acidic solution.
    • maybe not quickly decolorized by acidic solutions; concerns micro-organisms (especially the tubercle bacillus that causes tuberculosis)
  • others:
    • A literal interpretation of this German “säurfest”: placed on a course of germs which, when as soon as stained with basic aniline dyes, tenaciously keep the dye on subsequent contact with acids or alcoholic beverages.

Related Sources

  • Definition for "acid-fast"
    • maybe not decolorized by acid after staining, as…
    • View More
  • Sentence for "acid-fast"
66 votes

How would you define acid-fast?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!