noun
- A stain of contrasting color that is used when the principal stain does not show the structure clearly. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). counterstain. Retrieved September 25, 2026, from http://smartdefine.org/counterstain/definitions/1249502 |
| Chicago | WordNet. 2010. "counterstain" http://smartdefine.org/counterstain/definitions/1249502 (accessed September 25, 2026). |
| Harvard | WordNet 2010, counterstain, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/counterstain/definitions/1249502>. |
| MLA | WordNet. "counterstain" 23 October 2010. Web. 25 September 2026. <http://smartdefine.org/counterstain/definitions/1249502> |