تعريف passive immunity في الإنجليزية الإنجليزية القاموس.
Immunity acquired by the transfer of antibodies from another individual, as through injection or placental transfer to a fetus.passive immunization n
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)