Source : Webster's Revised Unabridged Dictionary (1913)

Tympanitic \Tym`pa*nit"ic\, a. [L. tympaniticus one afflicted
   with tympanites.] (Med.)
   Of, pertaining to, or affected with, tympanites.

Source : WordNet®

tympanitic
     adj : of or relating to tympanites