E (disambiguation)
Appearance
E is the fifth letter of the Latin alphabet.
E or e may also refer to:
Computing and computation
[edit]- E (1970s text editor), a text editor developed at the Stanford AI Lab in the 1970s
- E (complexity), a set of decision problems solvable by a Turing machine in a specific time
- /e/ (operating system), a fork of LineageOS, which in turn is based on Android
- E (PC DOS), a text editor
- E (programming language), an object-oriented programming language
- E (theorem prover), a modern, high performance prover for first-order logic
- e (verification language) hardware verification language
- Amiga E, a programming language
- E or Enlightenment (software), a free software open source manager for X Window System
Commerce and transportation
[edit]- €, 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 pre-packaged 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
- E (Los Angeles Railway)
- E (New York City Subway service), a subway service in New York
- E Line (Los Angeles Metro)
- Line E (Buenos Aires Underground) of the Buenos Aires Subte
- RER E, a line in the RER of Paris
- Toei Ōedo Line, a subway service operated by the Tokyo Metropolitan Bureau of Transportation (Toei), labeled
- The official West Japan Railway Company service symbol for:
Geography
[edit]- E or east, one of the four cardinal directions
- E (state), a vassal state in Zhou Dynasty China (1046–256 BC)
- E Township, Maine, an unincorporated community in USA
- Mount E (Japanese: 恵山, romanized: E-san, lit. 'Mount Wisdom'), a stratovolcano on Oshima Peninsula, Japan
- River E, a river in Scotland
- E postcode area, for east London
- E, New Brunswick's postal code
- Hubei, abbreviated in Chinese as È (鄂), a province of China
Languages
[edit]- É (temple), Sumerian word for house or temple
- E language, a language of China
- E, the Spivak pronoun meaning "he" or "she"
Letters and other characters
[edit]- Ⓔ or ⓔ or (e) or (E) - circled-E or circled-E, see Enclosed Alphanumerics
- Latin E with diacritic:
- e, the close-mid front unrounded vowel IPA symbol
- Tifinagh letter ⴹ
- Е and е, a letter of the Cyrillic alphabet
- Ε and ε, the letter epsilon in the Greek alphabet
Mathematics and logic
[edit]- e (mathematical constant), a mathematical constant also known as Euler's number and Napier's constant
- E notation, or scientific notation, a way of writing very large and very small numbers such as 5E7
- ∃ (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
- E, the Erdős–Borwein constant
Medicine and genetics
[edit]- 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 Glu), an abbreviation for glutamic acid or glutamate
- Vitamin E or Tocopherol, a class of chemical compounds
- The symbol for the hormone epinephrine
- E, a common abbreviation for 'Ecstasy' (a familiar name for the psychoactive recreational drug MDMA)
- Ethambutol
- Estrogen (medication)
- Estradiol (medication)
Music
[edit]- E (musical note)
- E major, a scale
- E minor, a scale
- E major chord, see Chord names and symbols (popular music)
- E (video), by Eminem
- E (Adrian Belew album), 2009
- É (album), by Duda Brack, 2015
- E (Ecco2K album), 2019
- E (Enslaved album), 2017
- E (Epik High album), 2009
- E (single album), by Big Bang, 2015
- "E", a song by Baboon from Sausage, 1992
People
[edit]- E (surname) (Chinese: 鄂), Chinese surname
- E, a nickname of Mark Oliver Everett, musician and front man of the rock band Eels
- e, a nickname of Eric Neustadter, Former Operations Manager for Xbox Live and frequent co-host of the "Major Nelson Radio" podcast
- Mr. E (disambiguation)
Physics and engineering
[edit]- 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
- E° or , the standard electrode potential
Television and film
[edit]- E!, Entertainment Television, an American cable and satellite TV network
- E! (Australia and New Zealand), the defunct Australian and New Zealand 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
Other uses
[edit]
- e (novel), a 2000 comic novel by Matt Beaumont
- E band (disambiguation)
- E#, a team's elimination number
- 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
- E, the symbol of the Eredivisie logo
See also
[edit]- Eta, a Greek letter
- Ҽ, the Abkhazian letter Che
- Big E (disambiguation)
- Block E (disambiguation)
- Class E (disambiguation)
- E class (disambiguation)
- E number (disambiguation)
- E-Series (disambiguation)
- E-Type (disambiguation)
- E! (disambiguation)
- Formula E (disambiguation)
- Group E (disambiguation)
- Model E (disambiguation)
- Open E (disambiguation)