Definition of purpuric:
(adj) :
(medicine) Pertaining to or affected with purpura (skin discoloration from blood inside it).
(adj) :
(chemistry, not comparable) purple in colour; derived from or forming a substance which is purple; especially:
(adj) :
Derived from or forming purpuric acid.
(adj) :
(medicine, archaic) Purple or purplish (of spots which appear on the skin; regardless of their cause); Synonym of purpureal.