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