noun
- Methane gas produced when vegetation decomposes in water. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). marsh gas. Retrieved September 21, 2026, from http://smartdefine.org/marsh_gas/definitions/1249027 |
| Chicago | WordNet. 2010. "marsh gas" http://smartdefine.org/marsh_gas/definitions/1249027 (accessed September 21, 2026). |
| Harvard | WordNet 2010, marsh gas, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/marsh_gas/definitions/1249027>. |
| MLA | WordNet. "marsh gas" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/marsh_gas/definitions/1249027> |