noun
- A sulfide having the unpleasant smell of rotten eggs. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hydrogen sulfide. Retrieved September 21, 2026, from http://smartdefine.org/hydrogen_sulfide/definitions/1248853 |
| Chicago | WordNet. 2010. "hydrogen sulfide" http://smartdefine.org/hydrogen_sulfide/definitions/1248853 (accessed September 21, 2026). |
| Harvard | WordNet 2010, hydrogen sulfide, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/hydrogen_sulfide/definitions/1248853>. |
| MLA | WordNet. "hydrogen sulfide" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/hydrogen_sulfide/definitions/1248853> |