i 1 n 1 c 3 o 1 m 3 p 3 a 1 t 1 i 1 b 3 i 1 l 1 i 1 t 1 i 1 e 1 s 1
17 letters · 25 points in Scrabble
Meaning
noun the relation between propositions that cannot both be true at the same time
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