singleton — English Dictionary

Noun

1. A playing card that is the only one of its suit in a hand, especially at bridge.

2. A hand containing only one card of a certain suit.

3. A single object, especially one of a group.

4. A class that may not be instantiated more than once, i.e. that implements the singleton design pattern.

5. A set with exactly one element.

6. A child or animal that is born singly, not as a twin or other multiple birth.

   Examples

   singleton preterm birth

   More examples (1)

   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.

   Examples

   More examples (2)

   The time draws near when pink and red creep insidiously into the periphery, jewelry retailers go into overdrive and drugstore aisles burst with cherubs for the one holiday of the year that separates the singletons from the significant-othered.

   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.

   Synonyms

   singlet

9. A single consonant, as opposed to a geminated consonant.

   Examples

   singleton sonorants

10. Synonym of blot.

11. A class offered only once within a school year.

Adjective

1. Of a class offered only once within a school year.

   Related words

   multiton

   Examples

   a singleton class

Noun

1. a single object (as distinguished from a pair)

   Broader terms

   oneIacesingleunity

2. a set containing a single member

   Broader terms

   set

3. the playing card that is the only card in a suit held in a bridge hand as initially dealt

   Broader terms

   playing card