E2 Syllabification: (E)Pronunciation: /ē/Translate E | into French | into German | into Italian | into Spanish Definition of E abbreviation Earth. East or Eastern:139° E Easter. informal the drug Ecstasy or a tablet of Ecstasy. engineer or engineering. English. [in combination] (also e) electronic:E-commerce symbol Physics electric field strength. electromotive force. energy:E = mc2E in other Oxford dictionaries Definition of E in the British & World English dictionary