noun
- The deep sea (2000 meters or more) where there is no light. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). abyssal zone. Retrieved September 20, 2026, from http://smartdefine.org/abyssal_zone/definitions/1226517 |
| Chicago | WordNet. 2010. "abyssal zone" http://smartdefine.org/abyssal_zone/definitions/1226517 (accessed September 20, 2026). |
| Harvard | WordNet 2010, abyssal zone, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/abyssal_zone/definitions/1226517>. |
| MLA | WordNet. "abyssal zone" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/abyssal_zone/definitions/1226517> |