Definitions

from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • n. Games A playing card that is the only one of its suit in a player's hand.
  • n. An individual separated or distinguished from two or more of its group.
  • n. An offspring born alone.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A playing card that is the only one of its suit in a hand, especially at bridge.
  • n. A single object, especially one of a group.
  • n. A class that may not be instantiated more than once, i.e. that implements the singleton design pattern.
  • n. A set with exactly one element.

from the GNU version of the Collaborative International Dictionary of English

  • n. In certain games at cards, as whist, a single card of any suit held at the deal by a player.

from The Century Dictionary and Cyclopedia

  • n. A silly fellow; a simpleton.
  • n. In whist, a hand containing only one card of some suit; a card which is the only one of a suit in the hand of a player.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the playing card that is the only card in a suit held in a bridge hand as initially dealt
  • n. a single object (as distinguished from a pair)
  • n. a set containing a single member

Etymologies

From the name Singleton (influenced by single).
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

  • Although women with a term singleton cephalic pregnancy with a previous caesarean section (group 5) represented only 11. 4% of the obstetric population, this group was the largest contributor to the overall caesarean section rate (26. 7% of all the caesarean section).

    BioMed Central - Latest articles

  • A general rule of thumb is that the mother should gain 25 to 35 pounds, the weight of a full-term singleton pregnancy, by the end of the second trimesterā€”and then gain an additional 15 to 25 pounds in the last trimester.

    Mothering Twins

  • The study recruited full-term singleton children born in 1991 in 10 geographic areas and measured their height and weight from ages 2 to 12 years.

    Newswise: Latest News

  • Long-term singleton Jennifer Aniston, 39, gets up close and personal with her toyboy lover, musician John Mayer, and clearly doesn't care who notices.

    WN.com - Articles related to Volkswagen official at speedway

  • Long-term singleton Jennifer Aniston gets up close and personal with her toyboy lover, musician John Mayer, and clearly doesn't care who notices.

    WN.com - Articles related to Volkswagen official at speedway

  • The most common cause of perinatal death was congenital abnormality (24%) and for term singleton babies, unexplained antepartum death (25%), congenital abnormality (17%) and hypoxic peripartum death (14%).

    Australian Government Media Releases [All Portfolios]

  • Each planet is defined as a Scala "object" which is really nothing more than a singleton, which is what enum values are in Java.

    Archive 2008-06-01

  • Red: In regard to the 'preborn' of Suza's reality, a singleton is the medical reference to one fetus in the womb I'm alone...alone in the wombbbbb as opposed to twins, etc.

    Ladies and gentlemen, our first contestant.

  • In programming a singleton is a class which only allows one copy of itself within an individual app domain.

    Ladies and gentlemen, our first contestant.

  • N of natural numbers form a subalgebra of the powerset Boolean algebra 2N not isomorphic to the free Boolean algebra, but it has atoms, namely the singleton sets.

    Algebra

Comments

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  • "Record numbers of young Japanese do not have boyfriends or girlfriends, and many do not want one, according to a survey by the country's government. Sixty-one percent of unmarried men aged 18 and 34 do not have a partner, nor do half of unmarried women the same age."
    - Roland Buerk, Japan singletons hit record high, BBC website, 28 November 2011.

    November 28, 2011