Singleton Definition
sĭnggəl-tən
singletons
noun
A playing card that is the only one of its suit in a hand dealt to a player.
Webster's New World
One that is single, especially:
American Heritage
An individual separated or distinguished from two or more of its group.
American Heritage
Something occurring or existing singly and not as one of a pair or of a group.
Webster's New World
(computing) A class that may not be instantiated more than once, i.e. that implements the singleton design pattern.
Wiktionary
Other Word Forms of Singleton
Noun
Singular:
singletonPlural:
singletonsOrigin of Singleton
From the name Singleton (influenced by single)
From American Heritage Dictionary of the English Language, 5th Edition