acquired immunity

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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
• Hypernyms:
immunity, resistance
• Hyponyms:
active immunity, passive immunity