eEnglishOxford Dictionary of Englishe /iː / ▸ symbol 1 (€) euro or euros. 2 Physics (also e−) an electron. 3 Physics the electric charge of an electron, approximately equal to −1.602 × 10-19 coulombs. 4 (e) Mathematics the transcendental number that is the base of Napierian or natural logarithms, approximately equal to 2.71828.
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
EnglishOxford Dictionary of English