To form or discharge pus. The adjective is suppurative, as in suppurative arthritis. The noun, rarely used today, is suppuration. From the Latin puris = pus.
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To form pus. [L. sup-puro (subp-), pp. -atus, to form pus (pur), pus]
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sup·pu·rate 'səp-yə-.rātvi, -rat·ed; -rat·ing to form or discharge pus <a suppurating wound>