incompatibility

definition: the quality of being unable to exist or work in congenial combination
example:
speech part: noun
synonyms:
definition: the relation between propositions that cannot both be true at the same time
example:
speech part: noun
synonyms: inconsistency repugnance mutual exclusiveness
definition: (immunology) the degree to which the body's immune system will try to reject foreign material (as transfused blood or transplanted tissue)
example:
speech part: noun
synonyms:

How incompatibility is being used?