Source : Webster's Revised Unabridged Dictionary (1913)

Necrotic \Ne*crot"ic\, a. (Med.)
   Affected with necrosis; as, necrotic tissue; characterized
   by, or producing, necrosis; as, a necrotic process.

Source : WordNet®

necrotic
     adj : relating to or affected by necrosis; "necrotic tissue"