Doublet

Doublet is a word derived from the Latin duplus, "twofold, twice as much", and is used to indicate a pair of identical, similar, or related things.

Doublet may refer to:

• Doublet (clothing), a man's snug-fitting buttoned jacket that was worn from the late 14th century to the mid 17th century
• Doublet (Highland dress), a formal jacket worn with Scottish highland dress

• Doublet (dominoes), a domino tile in which both ends have the same value
• Doublets (game), old English tables game in the same family as Backgammon
• Word ladder or "doublets", a word game invented by Lewis Carroll

• Doublet (linguistics), two or more words of the same language that come from the same root
• Doublet, in textual criticism, two different narrative accounts of the same actual event
• Legal doublet, a standardized phrase in English legal language consisting of two (or more) words

• Doublet (computing), a group of 16 bits in computing
• Doublet (lens), a type of lens, made up of two stacked layers with different refractive indices
• Doublet (potential flow), fluid flow due to a source–sink combination
• Doublet, or dimeresia howellii, a tiny flowering plant
• Doublet earthquake, two earthquakes associated by space and time
• Doublet state, a state in quantum physics of a system with a spin of 1⁄2
• Unit doublet, in mathematics, the derivative of the Dirac delta function

• Doublet (horse), (b. 1963 - †.1974), a thoroughbred gelding
• Doublet (lapidary), an assembled gem composed in two sections, such as a garnet overlaying green glass
• Pierre Jean Louis Ovide Doublet (1749–1824), French politician and writer affiliated with the Order of Malta
• Michel Doublet (1939–2022), French politician.

• Disambiguation pages
• Disambiguation pages with surname-holder lists

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