Source : Webster's Revised Unabridged Dictionary (1913)

Nephritic \Ne*phrit"ic\, Nephritical \Ne*phrit"ic*al\, a. [L.
   nephriticus, gr. ?: cf. F. n['e]phr['e]tique. See
   {Nephritis}.]
   1. Of or pertaining to the kidneys or urinary organs; renal;
      as, a nephritic disease.

   2. (Med.)
      (a) Affected with a disease of the kidneys; as, a
          nephritic patient.
      (b) Relieving disorders of the kidneys; affecting the
          kidneys; as, a nephritic medicine.

   {Nephritic stone} (Min.), nephrite; jade. See {Nephrite}.

Nephritic \Ne*phrit"ic\, n. (Med.)
   A medicine adapted to relieve or cure disease of the kidneys.

Source : WordNet®

nephritic
     adj 1: affected by nephritis
     2: of or relating to the kidneys [syn: {renal}]