Source : Webster's Revised Unabridged Dictionary (1913)

Purpuric \Pur*pu"ric\, a. [Cf. F. purpurique.]
   1. (Med.) Of or pertaining to purpura. --Dunglison.

   2. (Chem.) Pertaining to or designating, a nitrogenous acid
      contained in uric acid. It is not known in the pure state,
      but forms well-known purple-red compounds (as murexide),
      whence its name.

   Note: Purpuric acid was formerly used to designate murexan.
         See {Murexan}.