Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Wikipedia.
passive immunity[′pas·iv i′myün·əd·ē]
Immunity acquired by injection of antibodies in another individual or in an animal.
Immunity acquired by the fetus by the transfer of maternal antibodies through the placenta.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.