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acid fast

 - 3 dictionary results
Acid
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ac⋅id-fast

  [as-id-fast, -fahst]
Use acid fast in a Sentence
–adjective
resistant to decolorizing by acidified alcohol after staining.
Origin:
1900–05

Related forms:
acid-fastness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Acid
Shop Northern Tool + Equipment. A Top Supplier of 20,000+ Products!
www.NorthernTool.com
Fast Chemical
Order By 12/21 For XMas Delivery. Free Shipping $50 on 100,000 Items!
www.Target.com
Medical Dictionary

Main Entry: acid–fast
Pronunciation: 'as-&d-"fast
Function: adjective
: not easily decolorized by acids (as when stained) —used especially ofbacteria and tissues
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

acid-fast adj.
Of or relating to bacteria that are not decolorized by an acidic alcohol solution after they have been stained.

ac'id-fast'ness n.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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