E1

E1, E01, E.I or E-1 may refer to:

Transport

Trains and locomotives

Aircraft

Submarines

  • HMS E1, an E-class submarine of the Royal Navy
  • USS E-1 (SS-24), a 1917 E-class submarine of the United States Navy

Roads

Science and mathematics

Biochemistry

Medicine

Brands, models and companies

Places

  • E1 (Jerusalem), an area east of Jerusalem in the West Bank.
  • E1 postcode district, London

Other uses

  • E01, ECO code for the closed variation of the Catalan Opening in chess
  • E-1 (rank), the pay grade for enlisted ranks of Private, Airman Basic, and Seaman Recruit in the United States Military
  • E1 grade, a difficulty level in rock climbing
  • E-1 (rocket engine), a liquid propellant rocket engine
  • E1 carrier, an E-carrier European telecommunications standard
  • E1, an AMD CPU from the Bobcat (microarchitecture) family

See also

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