acid-fast
[ as-id-fast, -fahst ]
/ ˈæs ɪdˌfæst, -ˌfɑst /
adjective
resistant to decolorizing by acidified alcohol after staining.
Origin of acid-fast
First recorded in 1900–05
OTHER WORDS FROM acid-fast
ac·id-fast·ness, nounWords nearby acid-fast
Example sentences from the Web for acid-fast
This method is supposed to differentiate between B. tuberculosis and other acid-fast micro-organisms.
The Elements of Bacteriological Technique |John William Henry EyreOther bacteria than the acid-fast group are stained blue by Gabbet's method.
A Manual of Clinical Diagnosis |James Campbell Todd
British Dictionary definitions for acid-fast
acid-fast
adjective
(of bacteria and tissues) resistant to decolorization by mineral acids after staining
Medical definitions for acid-fast
acid-fast
adj.
Of or relating to bacteria that are not decolorized by an acidic alcohol solution after they have been stained.