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gale
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adman
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gallows
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acid-fast
acid-fast /ˈæsɪd-fæst/
adjective
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Not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis)
(
acid-fast
)
not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis)