Relating to, characterized by, or promoting the formation and discharge of pus; describing conditions or treatments involving suppuration.
From 'diapyesis' + '-ic' (adjective suffix). Developed in medical terminology to classify infections and treatments involving purulent discharge.
Diapyetic infections were actually considered somewhat encouraging in pre-antibiotic medicine—visible pus meant your immune system was visibly fighting, even if the treatment options were primitive!
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