acid-fast
[ as-id-fast, -fahst ]
/ ˈæs ɪdˌfæst, -ˌfɑst /
adjective
resistant to decolorizing by acidified alcohol after staining.
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Origin of acid-fast
First recorded in 1900–05
OTHER WORDS FROM acid-fast
ac·id-fast·ness, nounWords nearby acid-fast
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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.
Other words from acid-fast
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.