singleton

Etymology

From single +‎ -ton, probably following the model of simpleton.

Pronunciation

• (General American, Received Pronunciation) IPA^(key): /ˈsɪŋ.ɡ(ə)l.tən/

• Audio (US):

  (file)

Noun

singleton (plural singletons)

1. (playing cards) A playing card that is the only one of its suit in a hand, especially at bridge.
2. (playing cards) A hand containing only one card of a certain suit.
3. A single object, especially one of a group.
4. (computing) A class that may not be instantiated more than once, i.e. that implements the singleton design pattern.
5. (mathematics) A set with exactly one element.
6. A child or animal that is born singly, not as a twin or other multiple birth.

   singleton preterm birth

   • 2015 October 23, “Periconception Maternal Folate Status and Human Embryonic Cerebellum Growth Trajectories: The Rotterdam Predict Study”, in PLOS ONE‎, →DOI:

     Viable non-malformed singleton pregnancies were selected for cerebellar measurements; transcerebellar diameter, (TCD), left and right cerebellar diameters (LCD, RCD).

7. A person without a romantic partner.
   • 2022 August 14, “Lessons in love”, in The Sunday People‎:

     Millennials and Gen Zedders’ approach to romance can teach later-life singletons a thing or two about new relationships, according to dating agent Anna Williamson.

8. A person without a dissociative identity.
9. (phonetics) A single consonant, as opposed to a geminated consonant.

   singleton sonorants

10. (backgammon) Synonym of blot

See also

• multiton

Pronunciation

• IPA^(key): /ˈsɪŋɡəltɔn/, /ˈsɪŋəltɔn/

Noun

singleton m (plural singletons, diminutive singletonnetje n)

1. a singleton (lone playing card)

singleton n (plural singletons, diminutive singletonnetje n)

1. a singleton (design pattern, class, set)

Pronunciation

• Audio:

  (file)

Noun

singleton m (plural singletons)

1. card games singleton
2. mathematics singleton
3. computing singleton

Further reading

• “singleton”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

Noun

singleton m (plural singletons)

1. (computing) singleton (class that may not be instantiated more than once)

Etymology

Borrowed from English singleton.

Noun

singleton n (uncountable)

1. singleton

References

• singleton in Academia Română, Micul dicționar academic, ediția a II-a, Bucharest: Univers Enciclopedic, 2010. →ISBN