Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun passive_immunity
1 sense of passive immunity
Sense 1
passive immunity -- (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))
=> acquired immunity -- (immunity to a particular disease that is not innate but has been acquired during life; immunity can be acquired by the development of antibodies after an attack of an infectious disease or by a pregnant mother passing antibodies through the placenta to a fetus or by vaccination)