active immunity

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noun Immunology.

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

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Compare passive immunity.

Origin of active immunity

First recorded in 1910–15

Words nearby active immunity

active congestion, active duty, active galactic nucleus, active galaxy, active hyperemia, active immunity, active layer, active list, actively, active margin, active mass

How to use active immunity in a sentence

For some viruses and vaccines, active immunity can last decades — even the rest of your life.
Antibodies from former COVID-19 patients could become a medicine|Aimee Cunningham|April 15, 2020|Science News For Students
“The United States had gone to war declaring it must destroy an active weapons of mass destruction program,” the Times reported.
Political Memes That Absolutely Must Die in 2015|Asawin Suebsaeng|January 1, 2015|DAILY BEAST
What sets him apart from so many of his contemporaries was his rare immunity from the influence of prevailing ideas.
The Catholic Philosopher Who Took on Hitler|John Henry Crosby|December 26, 2014|DAILY BEAST
Almost immediately, another group active at the protests called the Justice League snitches.
De Blasio and the New York City Protesters Have No Blood on Their Hands|Jacob Siegel|December 22, 2014|DAILY BEAST

The central issue is de facto immunity traditionally given to bishops and cardinals.
How Pope Francis Became the World’s BFF|Jason Berry|December 21, 2014|DAILY BEAST
Along the river, crumbling remnants of an active trading hub are overtaken by nature.
The Congo's Forgotten Colonial Getaway|Nina Strochlic|December 18, 2014|DAILY BEAST
We must have motif first, then technique to adapt and adjust expression and to develop facility in the active agents.
Expressive Voice Culture|Jessie Eldridge Southwick
With the announcement of the thirty-six directors, it was possible to proceed to the active opening of the institutions.
Readings in Money and Banking|Chester Arthur Phillips
He became one of the assistants of Mr. Wesley, and was active in the service of the church.
The Every Day Book of History and Chronology|Joel Munsell
The opposite of these two methods of rote learning is my method, which injects an active process between each pair of words.
Assimilative Memory|Marcus Dwight Larrowe (AKA Prof. A. Loisette)
He continued active till his 35th year, when he began to decline, and died of water in the chest.
The Every Day Book of History and Chronology|Joel Munsell

Medical definitions for active immunity

active immunity

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

Scientific definitions for active immunity

active immunity

See under acquired immunity.