- e
- esymbol1》 (€) euro or euros.2》 (also e-) Chemistry an electron.3》 (e) Mathematics the transcendental number that is the base of Napierian or natural logarithms, approximately equal to 2.71828.————————eMathematics the transcendental number that is the base of Napierian or natural logarithms, approximately equal to 2.71828.→ e
English new terms dictionary. 2014.