noun
- An impermanent form of acquired immunity in which antibodies against a disease are acquired naturally (as through the placenta to an unborn child) or artificially (as by injection of antiserum. ).
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). passive immunity. Retrieved September 22, 2026, from http://smartdefine.org/passive_immunity/definitions/1247213 |
| Chicago | WordNet. 2010. "passive immunity" http://smartdefine.org/passive_immunity/definitions/1247213 (accessed September 22, 2026). |
| Harvard | WordNet 2010, passive immunity, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/passive_immunity/definitions/1247213>. |
| MLA | WordNet. "passive immunity" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/passive_immunity/definitions/1247213> |