Main Entry:

im·mu·ni·ty

Pronunciation:

\i-ˈmyü-nə-tē\

Function:

noun

Inflected Form(s):

plural im·mu·ni·ties

Date:

14th century

: the quality or state of being immune ; especially : a condition of being able to resist a particular disease especially through preventing development of a pathogenic microorganism or by counteracting the effects of its products