- (n.) The act of extinguishing or making extinct; a putting an end to; the act of putting out or destroying light, fire, life, activity, influence, etc.
- (n.) State of being extinguished or of ceasing to be; destruction; suppression; as, the extinction of life, of a family, of a quarrel, of claim.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). extinction. Retrieved September 22, 2026, from http://smartdefine.org/extinction/definitions/2006379 |
| Chicago | Webster's. 2011. "extinction" http://smartdefine.org/extinction/definitions/2006379 (accessed September 22, 2026). |
| Harvard | Webster's 2011, extinction, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/extinction/definitions/2006379>. |
| MLA | Webster's. "extinction" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/extinction/definitions/2006379> |