noun
- Microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). diatom. Retrieved September 21, 2026, from http://smartdefine.org/diatom/definitions/1194632 |
| Chicago | WordNet. 2010. "diatom" http://smartdefine.org/diatom/definitions/1194632 (accessed September 21, 2026). |
| Harvard | WordNet 2010, diatom, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/diatom/definitions/1194632>. |
| MLA | WordNet. "diatom" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/diatom/definitions/1194632> |