Search hyperemesis hyperemesis /hī′per·em′ə·sis/ [Gk, hyper, excess + emesis, vomit] , excessive vomiting. Tweet Telegram VK Random Words negative adaptation jejunogastric intussusception osteogenesis line spread function (LSF) Gerstmann-Sträussler-Scheinker syndrome imbedded tooth urinary overflow agitation endodermal cloaca