'Incompatibility' definitions:

Definition of 'incompatibility'

(from WordNet)
noun
The relation between propositions that cannot both be true at the same time [syn: incompatibility, mutual exclusiveness, inconsistency, repugnance]
noun
(immunology) the degree to which the body's immune system will try to reject foreign material (as transfused blood or transplanted tissue)
noun
The quality of being unable to exist or work in congenial combination [ant: compatibility]

Definition of 'Incompatibility'

From: GCIDE
  • Incompatibility \In`com*pat`i*bil"i*ty\, n.; pl. -ties. [Cf. F. incompatibilit['e].] The quality or state of being incompatible; inconsistency; irreconcilableness. [1913 Webster]

Synonyms of 'incompatibility'

From: Moby Thesaurus