passive immunity

  1. immunity resulting from the injection of antibodies or sensitized lymphocytes from another organism or, in infants, from the transfer of antibodies through the placenta or from colostrum.

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Origin of passive immunity

First recorded in 1890–95

Words Nearby passive immunity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use passive immunity in a sentence

  • Dunbar expected to confer passive immunity on the hay fever patient by transferring to him this horse serum with its antibodies.

    The Treatment of Hay Fever | George Frederick Laidlaw

Scientific definitions for passive immunity

passive immunity

[ păsĭv ]

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.