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acquired immunity

noun, Immunology
1.
immunity arising from exposure to antigens.
Compare natural immunity.
Origin of acquired immunity
1930-1935
1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for acquired immunity
Historical Examples
  • Unprotected by hereditary or acquired immunity, he contracted tuberculosis and faded away before our eyes.

  • He demonstrated that “there is but one permanent element in natural or acquired immunity, and that is phagocytosis.”

  • As both native and imported horses are equally susceptible, there is no indication of an acquired immunity to be observed.

    Special Report on Diseases of the Horse United States Department of Agriculture
  • Sometimes he had been ill but he had acquired immunity to certain poisonous plants that contained food values.

    The Wealth of Echindul Noel Miller Loomis
  • In other words, it has acquired immunity against this particular germ and its toxin.

    Preventable Diseases Woods Hutchinson
  • He has acquired immunity to many infections by having experienced them.

    Disease and Its Causes William Thomas Councilman
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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