noun
- Sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). sapropel. Retrieved September 20, 2026, from http://smartdefine.org/sapropel/definitions/1249065 |
| Chicago | WordNet. 2010. "sapropel" http://smartdefine.org/sapropel/definitions/1249065 (accessed September 20, 2026). |
| Harvard | WordNet 2010, sapropel, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/sapropel/definitions/1249065>. |
| MLA | WordNet. "sapropel" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/sapropel/definitions/1249065> |