Doublet
From Wikipedia, the free encyclopedia
Doublet is:
- Doublet (clothing), a man's snug-fitting buttoned jacket that was worn in medieval and Tudor times
- 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
- A derivative of the Dirac delta function
- Two different narrative accounts of the same actual event - this use of doublet is mainly present in textual criticism
