E (disambiguation)

From Wikipedia, the free encyclopedia

E is the fifth letter of the Latin alphabet.

E or e may also refer to:

Commerce and transportation[]

  • €, the symbol for the euro, the European Union's standard currency unit
  • ℮, the estimated sign, an EU symbol indicating that the weight or volume of the goods is within specific allowable tolerances
  • E, the country identifier for vehicle registration plates of Spain
  • E, a Polish electric locomotive in PKP classification system
  • E or Eni, an Italian oil and gas company
  • E-Mark, an approval mark for automotive products in Europe under the World Forum for Harmonization of Vehicle Regulations

Medicine and genetics[]

  • E number, a number code for a food additive, an EU labelling requirement
  • Haplogroup E (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
  • Haplogroup E (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup
  • E or glutamic acid, an amino acid, glutamate
  • E. coli or Escherichia coli, a bacterium commonly found in the lower intestine; some are pathogenic, others are not
  • E. coli or Entamoeba coli, a non-pathogenic parasite frequently found in the human intestine
  • Vitamin E or Tocopherol, a class of chemical compounds
  • The symbol for the hormone epinephrine
  • Ecstasy chemical compound MDMA
  • Ethambutol

Physics and engineering[]

  • e (or e) or electron, a fundamental subatomic particle
  • e or elementary charge, the absolute value of the electric charge carried by a single electron.
  • e or coefficient of restitution (COR), a measure of the elasticity of a collision in mechanics
  • E, the symbol for energy in equations concerning mass-energy equivalence
  • E or Young's modulus, a measure of stiffness in solid mechanics
  • E or exa-, the SI prefix for 1018
  • E-layer or the Kennelly-Heaviside layer, part of the ionosphere
  • E, the symbol for an electric field
  • e or orbital eccentricity, a measure of how much a conic section deviates from a circle
  • E or Equal Energy spectrum, a definition of white in colour printing
  • E, the electrode potential, the electromotive force of a cell built of two electrodes

Mathematics and logic[]

  • e, also known as Euler's number and Napier's constant, a transcendental number and the base of natural logarithms, approximately equal to 2.718
  • E notation, or scientific notation, a way of writing very large and very small numbers
  • ∃ (a backwards E; U+2203) or existential quantification, the symbol for "there exists...", in predicate logic; ∃! meaning "there exists only one" (or "there exists exactly one") - see Uniqueness quantification
  • E, 14 in hexadecimal and other positional numeral systems of a base of 15 or higher
  • or Expected value, the average expected outcome of a trial in probability theory
  • E, the complete elliptic integral of the second kind
  • e, the identity element

Computing and computation[]

Music[]

Television and film[]

  • E!, Entertainment Television, an American cable and satellite TV network
    • E! (Australia), the Australian version of American E!
  • E! (Canada):
    • E! (Canadian TV system), a defunct over-the-air television system operated by Canwest from 2001 to 2009 (originally known as CH until 2007)
    • E! (Canadian TV channel), a Canadian cable/satellite specialty channel owned by Bell Media that launched in November 2010.
  • E (2006 film), a 2006 Tamil film
  • E (2017 film)
  • E, or Edna Mode, a character from the movie The Incredibles
  • E, or Eric Murphy, a character from the television series Entourage
  • E, the production code for the 1964 Doctor Who serial The Keys of Marinus

Geography[]

Languages[]

People[]

  • E (surname) (Chinese: ), Chinese surname
  • E, a nickname of Mark Oliver Everett, musician and front man of the rock band Eels
  • e, a nickname of Eric Neustadter, Operations Manager for Xbox Live and frequent co-host of the "Major Nelson Radio" podcast
  • Mr. E (disambiguation)

Letters and other characters[]

  • Ⓔ or ⓔ or (e) or (E) - circled-E or circled-E, see Enclosed Alphanumerics
  • É or é - e-acute, an accented letter of many Latin alphabets.
  • È or è - e-grave, another accented letter of many Latin alphabets.

Other uses[]

  • e (novel), a 2000 comic novel by Matt Beaumont
  • E band (disambiguation)
  • E#, a team's elimination number
  • E, slang name for the recreational drug Ecstasy, also called MDMA
  • E, or the Elohist, one of the four sources of the Torah
  • E, or Everyone, a video game rating symbol used by the Entertainment Software Rating Board which is suitable for all ages.
  • Dominical letter E for a common year starting on Wednesday
  • E-Z notation, to indicate double bonds that two groups of higher priority are on opposite sides.
  • E or EDGE, for Enhanced Data Rates for GSM Evolution
  • Echo, the military time zone code for UTC+05:00
  • "E" Is for Evidence, the fifth novel in Sue Grafton's "Alphabet mystery" series, published in 1988

See also[]

  • Eta
  • Big E (disambiguation)
  • Block E (disambiguation)
  • Class E (disambiguation)
  • E class (disambiguation)
  • E-Series (disambiguation)
  • E-Type (disambiguation)
  • E! (disambiguation)
  • Formula E (disambiguation)
  • Group E (disambiguation)
  • Open E (disambiguation)
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