Definition of E in English:

E

  • 1East or Eastern.

    ‘139° E’
  • 2informal The drug Ecstasy or a tablet of Ecstasy.

    ‘people have died after taking E’
    ‘being busted with three Es can lead to stiff penalties’
  • 3in combination Denoting products, in particular food additives, which comply with EU regulations.

    ‘the yellow colouring tartrazine (E 102)’
    See also E-number
  • 4in combination (in units of measurement) exa- (10¹⁸).

  • 5Spain (international vehicle registration).

Physics
  • 1Electric field strength.

  • 2Electromotive force.

  • 3Energy.

    ‘E = mc²’

Phrases

  • the three Es

    • Economy, efficiency, and effectiveness.

      ‘the research unit examines the effect of the three Es in the provision of social services’

Pronunciation

E

/iː/