ID

Look up ID, Id, or id in Wiktionary, the free dictionary.

ID, I.D. or id may refer to:

• The id is part of the id, ego, and super-ego, the three parts of the psychic apparatus in Freudian psychology (in English translations of Freud's work)

Abbreviations

• Id., Latin, short for "idem", "the same", used in legal citations for the previously cited source
• Identification (disambiguation)
• Dog tag (identifier), military and civilian neck-ID tags
  • Identity card, a card used to establish positive identification of an individual
• Intelligent design, a modern form of the teleological argument (an argument for the existence of a god) which argues that life was designed
• Industrial design
• Inside diameter
• Idaho, a state in the Pacific Northwest region of the U.S.

Codes

• Indonesia, ISO 3166-1 alpha-2 country code "ID"
  • .id, Internet Top Level Domain code for Indonesia
  • Indonesian language, ISO 639 alpha-2 code id
• United States postal abbreviation for Idaho
• Interlink Airlines, IATA airline code

Computer science

• Id (programming language) is a parallel functional programming language
• id, the generic object datatype in the Objective-C programming language
• id Software, the computer game software developer behind the Quake and Doom series, among others
• iD (video game), is a 1980s video game by Mel Croucher
• Internet Draft, a working document of the IETF

Places

• İd, town in Turkey

Popular culture

• Id (album), the 1999 debut album of Slovenian rock band Siddharta
• ID (Anna Maria Jopek album), album by Anna Maria Jopek
• I.D. (Doctor Who audio), an audio drama based on Dr. Who
• Id (comic), a manhwa by Kim Daewoo, art by A. T. Kenny
• i-D, a British fashion magazine
• I.D. (magazine), and American magazine focusing on Architecture, Graphic and Industrial Design
• I.D. (film), the 1995 British film, directed by Philip Davis
• I.D. (play), 2003 British play by Anthony Sher
• iD Two, RTÉ television programme
• Identically Different (I.D), a former Canadian boyband
• Investigation Discovery, an American cable channel
• Id, a character in the video game Xenogears

Mathematics

• Influence diagram, a graphical and mathematical representation of a decision situation
• Inside diameter, also 'inner diameter'; a dimension commonly used to specify the size of tubing or pipe
• An identity function, a function that always returns the same value that was used as its argument

Miscellanea

• The Citroën ID, a variant of the Citroën DS
• The Muslim religious festival of Id-ul-Fitr
• Another spelling of Ide (fish)
• A non-standard Roman number form for the number 499

See also

• Ides (disambiguation)

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