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Singleton may refer to:

Science and technology[edit]


  • Singleton pattern, a design pattern used in object-oriented programming to permit no more than one instance of a class
  • Singleton bound, used in coding theory
  • Singleton variable, a variable in computer programming that is referred to only once
  • Singleton, a character encoded with one unit in variable-width encoding schemes for computer character sets
  • Singleton, an empty tag or self-closing tag in XHTML or XML coding


United Kingdom[edit]


People with the surname Singleton[edit]

Other uses[edit]

  • Singleton (global governance), a hypothetical world order with a single decision-making agency
  • Singleton (lifestyle), a self-description of individuals without romantic partners, particularly applied to women in their thirties introduced in the novel and film Bridget Jones's Diary
  • "Singleton", a short story by Greg Egan
  • Singleton, a single card in a suit, as part of a hand in contract bridge
  • Singleton, a consonant that is not a geminate in linguistics