the quality of being unable to exist or work in congenial combination | a distinguishing quality; a feature that can be used to identify something |
the relation between propositions that cannot both be true at the same time | any measurable property of a device measured under closely specified conditions |
(immunology) the degree to which the body's immune system will try to reject foreign material (as transfused blood or transplanted tissue) | a prominent attribute or aspect of something |
| the integer part (positive or negative) of the representation of a logarithm; in the expression log 643 = 2.808 the characteristic is 2 |