noun
- Protozoa having four membranous ciliary organelles. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). genus tetrahymena. Retrieved September 30, 2026, from http://smartdefine.org/genus_tetrahymena/definitions/1194604 |
| Chicago | WordNet. 2010. "genus tetrahymena" http://smartdefine.org/genus_tetrahymena/definitions/1194604 (accessed September 30, 2026). |
| Harvard | WordNet 2010, genus tetrahymena, Smart Define, viewed 30 September, 2026, <http://smartdefine.org/genus_tetrahymena/definitions/1194604>. |
| MLA | WordNet. "genus tetrahymena" 23 October 2010. Web. 30 September 2026. <http://smartdefine.org/genus_tetrahymena/definitions/1194604> |