The quality of involving entry into the living body (as by incision or by insertion of an instrument). | a distinguishing quality; a feature that can be used to identify something |
The quality of tending to spread; especially of tending to invade healthy tissue. | any measurable property of a device measured under closely specified conditions |
| 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 |