\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}.