Function: noun
Date: 1897
: usu. long-lasting immunity that is acquired through production of antibodies within the organism in response to the presence of antigens ― compare PASSIVE IMMUNITY
Function: noun
Date: 1897
: usu. long-lasting immunity that is acquired through production of antibodies within the organism in response to the presence of antigens ― compare PASSIVE IMMUNITY
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012