noun
1. the relation between propositions that cannot both be true at the same time (Freq. 1)
• Syn: ↑mutual exclusiveness, ↑inconsistency, ↑repugnance
• Derivationally related forms: ↑repugn (for: ↑repugnance), ↑incompatible
• Hypernyms: ↑contradictoriness
2. (immunology) the degree to which the body's immune system will try to reject foreign material (as transfused blood or transplanted tissue)
• Topics: ↑immunology
• Hypernyms: ↑physical condition, ↑physiological state, ↑physiological condition
• Hyponyms: ↑histoincompatibility, ↑Rh incompatibility
3. the quality of being unable to exist or work in congenial combination
• Ant: ↑compatibility
• Derivationally related forms: ↑incompatible
• Hypernyms: ↑characteristic
• Hyponyms: ↑conflict, ↑incongruity, ↑incongruousness
Useful english dictionary. 2012.