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:
Apparel
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Doublet (clothing)
A doublet (; derived from the Italian language, Ital. ''giubbetta'') is a snug-fitting jacket that is shaped and fitted to a man's body. The garment was worn in Spain, and spread to the rest of Western Europe, from the late Middle Ages up to th ...
, a man's snug-fitting buttoned jacket that was worn from the late 14th century to the mid 17th century
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Doublet (Highland dress)
Doublet is the term describing any of several types of jacket worn with Scottish highland dress; referring to both uniform and evening jackets.
Uniform doublets are found in a number of different styles. Commonly they are short cut with four I ...
, a formal jacket worn with Scottish highland dress
Games
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Doublet (dominoes), a domino tile in which both ends have the same value
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Doublets (game), old English tables game in the same family as Backgammon
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Word ladder
Word ladder (also known as Doublets, word-links, change-the-word puzzles, paragrams, laddergrams, or word golf) is a word game invented by Lewis Carroll. A word ladder puzzle begins with two words, and to solve the puzzle one must find a chain of ...
or "doublets", a word game invented by Lewis Carroll
Language
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Doublet (linguistics)
In etymology, doublets (alternatively etymological twins or twinlings) are words in a given language that share the same etymological root. Doublets are often the result of loanwords being borrowed from other languages. While doublets may be syn ...
, two or more words of the same language that come from the same root
*Doublet, in
textual criticism
Textual criticism is a branch of textual scholarship, philology, and literary criticism that is concerned with the identification of textual variants, or different versions, of either manuscripts (mss) or of printed books. Such texts may rang ...
, two different narrative accounts of the same actual event
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Legal doublet
A legal doublet is a standardized phrase used frequently in English legal language consisting of two or more words that are irreversible binomials and frequently synonyms, usually connected by ''and'', such as ''cease and desist''. The order of th ...
, a standardized phrase in English legal language consisting of two (or more) words
Science and technology
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Doublet (computing)
A unit of information is any unit of measure of digital data size. In digital computing, a unit of information is used to describe the capacity of a digital data storage device. In telecommunications, a unit of information is used to describe the ...
, a group of 16 bits in computing
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Doublet (lens)
In optics, a doublet is a type of lens made up of two simple lenses paired together. Such an arrangement allows more optical surfaces, thicknesses, and formulations, especially as the space between lenses may be considered an "element". With a ...
, a type of lens, made up of two stacked layers with different refractive indices
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Doublet (potential flow)
In fluid dynamics, potential flow or irrotational flow refers to a description of a fluid flow with no vorticity in it. Such a description typically arises in the limit of vanishing viscosity, i.e., for an inviscid fluid and with no vorticity pre ...
, fluid flow due to a source–sink combination
*Doublet, or ''
dimeresia
''Dimeresia'' is a monotypic genus in the sunflower family containing the single species ''Dimeresia howellii'', known by the common name doublet.
Distribution
This uncommon plant is endemic to an area of the Great Basin region in the western U ...
howellii'', a tiny flowering plant
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Doublet earthquake
__NOTOC__
In seismology, doublet earthquakes – and more generally, multiplet earthquakes – were originally identified as multiple earthquakes with nearly identical waveforms originating from the same location. They are now characterized as dist ...
, two earthquakes associated by space and time
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Doublet state
In quantum mechanics, a doublet is a composite quantum state of a system with an effective spin of 1/2, such that there are two allowed values of the spin component, −1/2 and +1/2. Quantum systems with two possible states are sometimes called ...
, a state in quantum physics of a system with a spin of
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Unit doublet
In mathematics, the unit doublet is the derivative of the Dirac delta function. It can be used to differentiate signals in electrical engineering: If ''u''1 is the unit doublet, then
: (x * u_1)(t) = \frac
where * is the convolution
In m ...
, in mathematics, the derivative of the Dirac delta function
Other uses
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Doublet (horse)
Doublet (1963 – 1974) was a Thoroughbred cross gelding. Doublet was a successful performer in the sport of Eventing, in which he was the regular mount of Princess Anne. Doublet was ridden by Princess Anne when winning the gold medal in the 19 ...
, (b. 1963 - †.1974), a thoroughbred gelding
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Doublet (lapidary)
A doublet is a type of assembled gem composed of two horizontal sections. It is sometimes used to imitate other, more expensive gems.
A garnet and glass doublet uses a top portion of natural garnet fused to any color of glass to imitate a ge ...
, an assembled gem composed in two sections, such as a garnet overlaying green glass
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Pierre Jean Louis Ovide Doublet (1749–1824), French politician and writer affiliated with the Order of Malta
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Michel Doublet (1939–2022), French politician.
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