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disease characterized by purple patches on the skin, 1753, from Modern Latin, from Latin purpura "purple dye" (see purple (n.)). Related: Purpuric.
purpura pur·pu·ra (pûr'pə-rə, -pyə-)n. A condition characterized by hemorrhages in the skin and mucous membranes that result in the appearance of purplish spots or patches. Also called peliosis.