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