Source : Webster's Revised Unabridged Dictionary (1913)

Phagedenic \Phag`e*den"ic\, PhagedenicAL \Phag`e*den"ic*AL\, a.
   [L. phagedaenicus, Gr. ?: cf. F. phag['e]d['e]nique.] (Med.)
   Of, like, or pertaining to, phagedena; used in the treatment
   of phagedena; as, a phagedenic ulcer or medicine. -- n. A
   phagedenic medicine.