coun·ter·stain (koun t r-st n )n. A stain of a contrasting color used to color the components in a microscopic specimen that are not made visible by the principal stain. tr.v. coun·ter·stained, coun·ter·stain·ing, coun·ter·stains To color (a microscopic specimen) with such a stain. |
counterstain [ˈkaʊntəˌsteɪn]
vb Microscopy
1. (Life Sciences & Allied Applications / Biology) to apply two or more stains in sequence to (a specimen to be examined), each of which colours a different tissue
2. (Life Sciences & Allied Applications / Biology) (tr; usually passive) to apply (one of a series of stains) to a specimen to be examined haematoxylin is counterstained with eosin
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | counterstain - a stain of contrasting color that is used when the principal stain does not show the structure clearly stain - (microscopy) a dye or other coloring material that is used in microscopy to make structures visible |
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