The Collaborative International Dictionary
Nosological
Nosological \Nos`o*log"ic*al\, a. [Cf. F. nosologique.] Of or pertaining to nosology.
Wiktionary
nosological
a. (context medicine English) Of or pertaining to nosology
Usage examples of "nosological".
And the text of this answer will be found in an observation in your letter, where, speaking of nosological systems, you say that disease has been found to be an unit.