English

Noun

1. a man’s close-fitting jacket, with or without sleeves. Men in Europe wore doublets from the 1400s to the 1600s.
2. a pair of two similar or equal things; couple.
3. one of two or more different words in a language derived from the same origin but coming by different routes.
4. An imitation gem made of two pieces of glass or crystal with a layer of color between them.
5. printing US A word or phrase set a second time by mistake.
6. A quantum state of a system with a spin of 1/2, such that there are two allowed values of the spin component, -1/2 and +1/2.

Quotations

• Lord Hamlet, with his doublet all unbraced,

Related terms

• singlet
• triplet

Translations

See also

• homolog
• pair
• twin

• Doublet (clothing), a man's snug-fitting buttoned jacket that was worn from the late 14th century to the mid 17th century
• Doublet (lapidary), an assembled gem composed in two sections, such as a garnet overlaying green glass
• Doublet (lens), a type of lens, made up of two stacked layers with different refractive indices
• Doublet (linguistics), one of two or more words of the same language that come from the same root
• Doublet (physics), a quantum state of a system with a spin of 1/2
• Pierre Jean Louis Ovide Doublet (1749 - 1824), a politician and writer from France
• Word ladder or "Doublets", a word game invented by Lewis Carroll
• A derivative of the Dirac delta function
• In textual criticism, two different narrative accounts of the same actual event
• Dimeresia howellii, a tiny flowering plant.