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counterrevolutionary
countersank
counterscarp
countershading
countershaft
countersign
countersignature
countersink
counterstain
countersubject
countersue
countersunk
countertenor
counterterror
counterterrorism
countertop
countertrade
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counterstain

coun·ter·stain [ kówntər stàyn ]


noun  (plural coun·ter·stains)
Definition:
 
additional stain for microscope specimen: an additional stain applied to a specimen to be examined under a microscope, in order to bring out features not revealed by the primary stain



transitive verb  (past and past participle coun·ter·stained, present participle coun·ter·stain·ing, 3rd person present singular coun·ter·stains)
Definition:
 
add counterstain: to use a counterstain on a microscope specimen

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