Definition of doubleton in English:

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doubleton

Pronunciation: /ˈdəbəltən/

noun

1(In card games, especially bridge) a pair of cards that are the only cards of their suit in a hand.
Example sentences
  • In a trump contract, the play of a higher card followed by a lower one may be made from a doubleton, indicating a desire to ruff, rather than just from a holding including a high card.
1.1A pair of people or things.
Example sentences
  • The difference in sign of Tajima's D for each locus separately suggests a slight excess of singletons and doubletons in the North Carolina population, although this is not significant.
  • The distribution of singletons, doubletons (low frequency variants), and other (high frequency) variants among the continents was investigated.
  • We excluded singletons and doubletons and compared the following seven sites in order: M1046, M1312, M1414, M4325, A2144, A3203, and A3416.

Origin

Early 20th century: from double, on the pattern of singleton.

Words that rhyme with doubleton

subaltern

For editors and proofreaders

Syllabification: dou·ble·ton

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