noun
- A fatal disease of freshwater fish caused by a flagellated protozoan invading the skin. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). costiasis. Retrieved September 30, 2026, from http://smartdefine.org/costiasis/definitions/1246226 |
| Chicago | WordNet. 2010. "costiasis" http://smartdefine.org/costiasis/definitions/1246226 (accessed September 30, 2026). |
| Harvard | WordNet 2010, costiasis, Smart Define, viewed 30 September, 2026, <http://smartdefine.org/costiasis/definitions/1246226>. |
| MLA | WordNet. "costiasis" 23 October 2010. Web. 30 September 2026. <http://smartdefine.org/costiasis/definitions/1246226> |