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See also: Singleton
singleton (plural singletons)
- (playing cards) A playing card that is the only one of its suit in a hand, especially at bridge.
- A single object, especially one of a group.
- (computing) A class that may not be instantiated more than once, i.e. that implements the singleton design pattern.
- (mathematics) A set with exactly one element.
- A child or animal that is born singly, not as a twin or other multiple birth.
- A person without a romantic partner.
- A singleton (lone playing card).
- A singleton (design pattern, class, set).
singleton m (plural singletons)