preeclampsia Syllabification: (pre·e·clamp·si·a)Pronunciation: /ˌprē-iˈklampsēə/Definition of preeclampsia noun a condition in pregnancy characterized by high blood pressure, sometimes with fluid retention and proteinuria. Derivatives preeclampticPronunciation: /-ˈklamptik/ adjective & noun preeclampsia in other Oxford dictionaries Definition of preeclampsia in the British & World English dictionary