noun
- Inflammation of the mastoid. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). mastoiditis. Retrieved September 20, 2026, from http://smartdefine.org/mastoiditis/definitions/1246621 |
| Chicago | WordNet. 2010. "mastoiditis" http://smartdefine.org/mastoiditis/definitions/1246621 (accessed September 20, 2026). |
| Harvard | WordNet 2010, mastoiditis, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/mastoiditis/definitions/1246621>. |
| MLA | WordNet. "mastoiditis" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/mastoiditis/definitions/1246621> |