A term used in card games, particularly bridge, referring to a holding of two cards in a suit.

In statistics or mathematics, refers to a group or set containing exactly two elements.

एक समूह या सेट जो बिल्कुल दो तत्वों का होता है।

English Usage: "The doubleton sample was sufficient for the analysis."

Hindi Usage: "डबलटन नमूना विश्लेषण के लिए पर्याप्त था।"