Triplet Absorption
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A triplet is a set of three items, which may be in a specific order, or unordered. It may refer to:


Science

* A series of three nucleotide bases forming an element of the
Genetic code The genetic code is the set of rules used by living cells to translate information encoded within genetic material ( DNA or RNA sequences of nucleotide triplets, or codons) into proteins. Translation is accomplished by the ribosome, which links ...
* J-coupling as part of
Nuclear magnetic resonance spectroscopy Nuclear magnetic resonance spectroscopy, most commonly known as NMR spectroscopy or magnetic resonance spectroscopy (MRS), is a spectroscopic technique to observe local magnetic fields around atomic nuclei. The sample is placed in a magnetic fiel ...
*
Opal Opal is a hydrated amorphous form of silica (SiO2·''n''H2O); its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Due to its amorphous property, it is classified as a mineraloid, unlike crystalline forms ...
in preparation to be a gemstone * Spin triplet in quantum mechanics — as in triplet oxygen, or
triplet state In quantum mechanics, a triplet is a quantum state of a system with a spin of quantum number =1, such that there are three allowed values of the spin component, = −1, 0, and +1. Spin, in the context of quantum mechanics, is not a mechanical ...
in general *
Tuple In mathematics, a tuple is a finite ordered list (sequence) of elements. An -tuple is a sequence (or ordered list) of elements, where is a non-negative integer. There is only one 0-tuple, referred to as ''the empty tuple''. An -tuple is defi ...
of length 3 in mathematics * Each of the children born in a three-child
multiple birth A multiple birth is the culmination of one multiple pregnancy, wherein the mother gives birth to two or more babies. A term most applicable to vertebrate species, multiple births occur in most kinds of mammals, with varying frequencies. Such bir ...
; identical or fraternal, as are twins and quadruplets and quintuplets


Technologies

* Photography triplet or paint triplet *
Triplet lens A triplet lens is a compound lens consisting of three single lenses. The triplet design is the simplest to give the required number of degrees of freedom to allow the lens designer to overcome all Seidel aberrations. The three lenses may be ce ...
, optical device consisting of three single lenses *
Tandem bicycle A tandem bicycle or twin is a form of bicycle (occasionally a tricycle) designed to be ridden by more than one person. The term tandem refers to the seating arrangement (fore to aft, not side by side), not the number of riders. Patents relat ...
with three seats


Other uses

* In music, a
tuplet In music, a tuplet (also irrational rhythm or groupings, artificial division or groupings, abnormal divisions, irregular rhythm, gruppetto, extra-metric groupings, or, rarely, contrametric rhythm) is "any rhythm that involves dividing the beat i ...
of three successive notes of equal duration * ''
The Triplets The Triplets ( ca, Les tres bessones; es, Las tres mellizas; oc, Es tres bessones) are three fictional characters (Anna, Teresa and Helena) created by Spanish illustrator Roser Capdevila. The Triplets were created in 1983, based on Capdevila ...
'', a Spanish children's book *
The Triplets (band) The Triplets are a pop rock trio that crossed over musical boundaries from the U.S through Latin America. Composed of the triplets Diana, Sylvia, and Vicky Villegas (all born April 18th, 1965) of an American mother and a Mexican father, the grou ...
, a Latin pop group * A triplet, a kind of
assembled gem An assembled gem (also called a composite gem) is a gemstone made up of other smaller gems. An assembled gem can often be a fake gem with a desirable piece of gemstone attached to pieces of inexpensive imitation gemstones. For example, a combinat ...
*
Triplets A multiple birth is the culmination of one multiple pregnancy, wherein the mother gives birth to two or more babies. A term most applicable to vertebrate species, multiple births occur in most kinds of mammals, with varying frequencies. Such bir ...
, the multiple birth of three children, whether identical or fraternal as are twins, quadruplets and quintuplets.


See also

*
Binghamton Triplets The Binghamton Triplets were a minor league baseball team based in Binghamton, New York between 1923 and 1963. The franchise played as members of the New York–Penn League (1923–1937), Eastern League (1938–1963), New York–Penn League (19 ...
, a minor league baseball team *
First Hurwitz triplet In the mathematical theory of Riemann surfaces, the first Hurwitz triplet is a triple of distinct Hurwitz surfaces with the identical automorphism group of the lowest possible genus, namely 14 (genera 3 and 7 each admit a unique Hurwitz surface, res ...
, a triple of distinct Hurwitz surfaces with the identical automorphism group of the lowest possible genus *
Triplet Lakes Triplet Lakes is a group of lakes in Clearwater County, Minnesota, in the United States. The group consists of three small lakes, hence the name. See also *List of lakes in Minnesota This is a list of lakes of Minnesota. Although promoted as th ...
, a group of lakes in Minnesota * ''
The Triplets of Belleville ''The Triplets of Belleville'' (french: Les Triplettes de Belleville) is a 2003 animated comedy film written and directed by Sylvain Chomet. It was released as ''Belleville Rendez-vous'' in the United Kingdom. The film is Chomet's first feature ...
'', a 2003 French animated film by Sylvain Chomet *
Tercet A tercet is composed of three lines of poetry, forming a stanza or a complete poem. Examples of tercet forms English-language haiku is an example of an unrhymed tercet poem. A poetic triplet is a tercet in which all three lines follow the same ...
in poetry *
Tristich A tercet is composed of three lines of poetry, forming a stanza or a complete poem. Examples of tercet forms English-language haiku is an example of an unrhymed tercet poem. A poetic triplet is a tercet in which all three lines follow the same ...
in poetry *
Triad (disambiguation) Triad or triade may refer to: * a group of three Businesses and organisations * Triad (American fraternities), certain historic groupings of seminal college fraternities in North America * Triad (organized crime), a Chinese transnational orga ...
, another general term for a group of three *
Triptych A triptych ( ; from the Greek language, Greek adjective ''τρίπτυχον'' "''triptukhon''" ("three-fold"), from ''tri'', i.e., "three" and ''ptysso'', i.e., "to fold" or ''ptyx'', i.e., "fold") is a work of art (usually a panel painting) t ...
, a work of art which is divided into three sections *
Trilogy A trilogy is a set of three works of art that are connected and can be seen either as a single work or as three individual works. They are commonly found in literature, film, and video games, and are less common in other art forms. Three-part wor ...
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