English Lexicon

Singleton

/ˈsɪŋɡltən/
nounCEFR C1 (Advanced)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A single instance of a particular type of object or entity.

    "In programming, a singleton class ensures that only one instance of the class can exist."
  2. 2

    In card games, a singleton refers to a hand containing only one card of a particular suit.

    "He played a singleton in hearts, hoping to draw more cards of that suit."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'singleton' originates from the late 19th century, derived from the word 'single' combined with the suffix '-ton', which denotes a unit or quantity. It has evolved to refer to a single instance of something, particularly in computing and mathematics.

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