- (a.) Alternative of Prophylactical.
- (n.) A medicine which preserves or defends against disease; a preventive.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). prophylactic. Retrieved September 21, 2026, from http://smartdefine.org/prophylactic/definitions/2049923 |
| Chicago | Webster's. 2011. "prophylactic" http://smartdefine.org/prophylactic/definitions/2049923 (accessed September 21, 2026). |
| Harvard | Webster's 2011, prophylactic, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/prophylactic/definitions/2049923>. |
| MLA | Webster's. "prophylactic" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/prophylactic/definitions/2049923> |