noun
- Photosynthetic or plant constituent of plankton; mainly unicellular algae. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). phytoplankton. Retrieved September 22, 2026, from http://smartdefine.org/phytoplankton/definitions/1194551 |
| Chicago | WordNet. 2010. "phytoplankton" http://smartdefine.org/phytoplankton/definitions/1194551 (accessed September 22, 2026). |
| Harvard | WordNet 2010, phytoplankton, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/phytoplankton/definitions/1194551>. |
| MLA | WordNet. "phytoplankton" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/phytoplankton/definitions/1194551> |