Definition from Wiktionary, the free dictionary
nonvital (not comparable)
- Not vital (in various senses); thus, often not essential for life
- The eye is a nonvital organ.
- (dentistry) Not containing living nerve tissue
–1998, J.W. Myers, “Demonstration of a possible source of error with an electric pulp tester”, Journal of Endodontics, volume 24, number 3:
- Such an occurrence could provoke a vital response from a patient when a nonvital tooth was being tested (a "false-positive").