Noun: 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 foetus or by vaccination
"Her acquired immunity to chickenpox came from having the disease as a child"
Derived forms: acquired immunities
Type of: immunity, resistance
Encyclopedia: Acquired immunity