Singleton may refer to:

Sciences, technology

Mathematics

Singleton (mathematics) In mathematics, a singleton (also known as a unit set or one-point set) is a set with exactly one element. For example, the set \ is a singleton whose single element is 0. Properties Within the framework of Zermelo–Fraenkel set theory, the ...

, a set with exactly one element * Singleton field, used in conformal field theory

Computing

Singleton pattern In object-oriented programming, the singleton pattern is a software design pattern that restricts the instantiation of a class to a singular instance. It is one of the well-known "Gang of Four" design patterns, which describe how to solve recur ...

, a design pattern that allows only one instance of a class to exist *

Singleton bound In coding theory, the Singleton bound, named after the American mathematician Richard Collom Singleton (1928–2007), is a relatively crude upper bound on the size of an arbitrary block code C with block length n, size M and minimum distance d. It ...

, used in coding theory * Singleton variable, a variable that is referenced only once * Singleton, a character encoded with one unit in

variable-width encoding A variable-width encoding is a type of character encoding scheme in which codes of differing lengths are used to encode a character set (a repertoire of symbols) for representation, usually in a computer. Most common variable-width encodings are ...

schemes for computer character sets * Singleton, an empty tag or self-closing tag in XHTML or

XML Extensible Markup Language (XML) is a markup language and file format for storing, transmitting, and reconstructing data. It defines a set of rules for encoding electronic document, documents in a format that is both human-readable and Machine-r ...

coding

Social science

Singleton (global governance) In futurology, a singleton is a hypothetical world order in which there is a single decision-making agency at the highest level, capable of exerting effective control over its domain, and permanently preventing both internal and external threats to ...

, a hypothetical world order with a single decision-making agency * Singleton, a consonant that is not a

geminate In phonetics and phonology, gemination (; from Latin 'doubling', itself from '' gemini'' 'twins'), or consonant lengthening, is an articulation of a consonant for a longer period of time than that of a singleton consonant. It is distinct from ...

in linguistics * Singleton, a person that is not a

twin Twins are two offspring produced by the same pregnancy.MedicineNet > Definition of Twin Last Editorial Review: 19 June 2000 Twins can be either ''monozygotic'' ('identical'), meaning that they develop from one zygote, which splits and forms two ...

or other multiple birth

People

* Singleton (surname), for a partial list of people with the surname "Singleton"

Places

United Kingdom

Singleton, Lancashire Singleton is a village and civil parish in Lancashire, England. It is situated on the coastal plain called the Fylde. It is located south-east of Poulton-le-Fylde, and at the 2001 census had a population of 877, increasing to 889 at the 2011 Cen ...

, England * Singleton, West Sussex, England *

Singleton, Kent Singleton is a suburb of Ashford in Kent, South East England, first developed in the 1980s. Although Singleton forms a contiguous urban area with the large town of Ashford to its east, it is formally a part of Great Chart with Singleton civil p ...

, England *

Singleton Park Singleton Park () is the largest urban park in the city of Swansea. It is located in Sketty and is listed on the Cadw/ICOMOS Register of Parks and Gardens of Special Historic Interest in Wales. The park encompasses 250 acres. An ornamental ga ...

, Swansea, Wales ** Singleton Abbey ** Singleton Hospital

Australia

Singleton, New South Wales Singleton is a town on the banks of the Hunter River (New South Wales), Hunter River in New South Wales, Australia. Singleton is 202km (126 mi) north-north-west of Sydney, and 70 km (43 mi) north-west of Newcastle, New South Wales ...

Singleton Council Singleton Council is a Local government in Australia, local government area in the Hunter Region of New South Wales, Australia. It is situated adjacent to the New England Highway and the Main North railway line, New South Wales, Main North railw ...

, New South Wales * Singleton, Western Australia

Other uses

* 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'' * ''The Singleton'' (film), a 2015 British drama film * "Singleton" (short story), a short story by Greg Egan *

Singleton (cards) The following is a glossary of terms used in card games. Besides the terms listed here, there are thousands of common and uncommon slang terms. Terms in this glossary should not be game-specific (e.g. specific to Bridge (card game), bridge, Hearts ...

, a single card in a suit * The Singleton, a whisky made by

Diageo Diageo plc ( ) is a British Multinational corporation, multinational alcoholic beverage company, with its headquarters in London, England. It is a major distributor of Scotch whisky and other spirits and operates from 132 sites around the world ...

Catawba (grape) Catawba is a red American grape variety used for wine as well as juice, jams and Gelatin dessert, jellies. Grown predominantly on the East Coast of the United States, this purplish-red grape is a likely a hybrid of the native American ''Vitis la ...

or Singleton {{disambiguation, surname, geo