Search pachyperitonitis pachyperitonitis /-per′itənī″tis/ , an inflammation and abnormal thickening of the tissues of the peritoneum. Tweet Telegram VK Random Words hs, h.s foreign body in throat Snowden-Pencer scissors pelvic inferior aperture nephrostomy catheter respiratory distress syndrome of the newborn (RDS) formol anthralin synpolydactyly