active immunity

noun Immunology.

immunity in an organism resulting from its own production of antibody or lymphocytes.

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Compare passive immunity.

Origin:
1910–15

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Active immunity is always a great word to know.

So is ort. Does it mean:

a scrap or morsel of food left at a meal.

a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.

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American Heritage

Medical Dictionary

active immunity n.
Immunity resulting from the development of antibodies in response to the presence of an antigen, as from vaccination or exposure to an infectious disease.

American Heritage

Science Dictionary

active immunity
See under acquired immunity.

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"A man's first Care should be to avoid the Reproaches of his own Heart; his next, to escape the Censures of the World: If the last interferes with the former, it ought to be entirely neglected; but otherwise, there cannot be a greater Satisfaction to an honest Mind, than to see those Approbations which it gives itself seconded by the Applauses of the Publick: A Man is more sure of his Conduct, when the Verdict which he passes upon his own Behaviour is thus warranted, and confirmed by the Opinion of all that know him."

-Joseph Addison