| / English Dictionary |
ACID-FAST
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
Not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis)
Classified under:
Similar:
imperviable; impervious (not admitting of passage or capable of being affected)
Context examples:
This species is yellow with extensively branched vegetative hyphae without an aerial mycelium which breaks into motile rod shaped elements, is catalase positive, reduces nitrate, hydrolyzes casein, gelatin and starch, is not acid-fast, mesophilic, utilizes acetate, lactate, and pyruvate.
(Oerskovia turbata, NCI Thesaurus)
This species is urease, nitrate reduction, Tween 80 hydrolysis, and arylsulfatase positive, acid-fast, does not produce acid from glucose, mannitol or sorbitol, but it does produce a distinctive lipid on chromatography appearing dense and brown.
(Mycobacterium szulgai, NCI Thesaurus)
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