active immunity

1. 1.

   a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens

   Broaderacquired immunity

Questions about active immunity

What does active immunity mean?

active immunity means "a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens".

Is active immunity a common word?

active immunity is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.