acquired immunity

noun, Immunology
1.
immunity arising from exposure to antigens.
Compare natural immunity.
Origin
1930-35
Examples from the web for acquired immunity
  • acquired immunity is immunity that develops with exposure to various antigens.
British Dictionary definitions for acquired immunity

acquired immunity

noun
1.
the immunity produced by exposure of an organism to antigens, which stimulates the production of antibodies
acquired immunity in Medicine

acquired immunity n.
Immunity obtained either from the development of antibodies in response to exposure to an antigen, as from vaccination or an attack of an infectious disease, or from the transmission of antibodies, as from mother to fetus through the placenta or the injection of antiserum.

acquired immunity in Science
acquired immunity  
Immunity that is not inherited. Acquired immunity can be active or passive. ◇ Active immunity results from the development of antibodies in response to an antigen, as from exposure to an infectious disease or through vaccination. ◇ Passive immunity results from the transmission of antibodies, as from mother to fetus through the placenta or by the injection of antiserum.