1.Definition: (immunology) the degree to which the body's immune system will try to reject foreign material (as transfused blood or transplanted tissue)

Category: General

2.Definition: the quality of being unable to exist or work in congenial combination

Category: General

3.Definition: the relation between propositions that cannot both be true at the same time

Related Noun(s):inconsistency, repugnance

Category: General