singleton
UK[ˈsɪŋɡəltən]US[ˈsɪŋɡəltən]
n
A single person or thing of the kind under consideration.
n
A single child or animal born at one birth.
n
(in card games, especially bridge) A card that is the only one of its suit in a hand.
Morpheme Breakdown
single
ton
single
one
ton
noun suffix
Etymology
The word 'singleton' is a relatively modern English formation, built upon the established adjective 'single'. The core concept of 'one' or 'alone' is inherited from the Latin singulus. The suffix '-ton' was appended in the 19th century, following a pattern seen in words like 'simpleton', to create a noun that denotes a single, distinct unit or individual. This construction logically progressed from the general idea of 'being single' to specify a single item in a set (like a card), a lone individual in a group, or a sole offspring in a birth. Its adoption into specialized terminology, such as in card games and computer science, demonstrates how a transparent compound can efficiently name a precise, isolated concept.
Analysis
Structure: single (one) + ton (noun suffix)
'single' originates from Latin singulus (single, one at a time). 'ton' is a common English suffix derived from Old English -tun (town, settlement), later generalized to form nouns, often indicating a unit or entity.
Examples
As the only girl in a family of boys, she was often treated like a singleton.
He held a singleton in clubs, which influenced his bidding strategy.
The pattern is designed to ensure only one instance of the class, a so-called singleton, is created.