electroosmosis Syllabification: (e·lec·tro·os·mo·sis)Pronunciation: /iˌlektrō-äzˈmōsis, -äs-/Definition of electroosmosis noun osmosis under the influence of an electric field. Derivatives electroosmoticPronunciation: /-ˈmätik/ adjective electroosmosis in other Oxford dictionaries Definition of electroosmosis in the British & World English dictionary