A triplet is a set of three items. It may refer to:
Science
* A series of three nucleotide bases forming an element of the
Genetic code
Genetic code is a set of rules used by living cell (biology), cells to Translation (biology), translate information encoded within genetic material (DNA or RNA sequences of nucleotide triplets or codons) into proteins. Translation is accomplished ...
* J-coupling as part of
Nuclear magnetic resonance spectroscopy
*
Opal
Opal is a hydrated amorphous form of silicon dioxide, silica (SiO2·''n''H2O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to the amorphous (chemical) physical structure, it is classified as a ...
in preparation to be a gemstone
* Spin triplet in quantum mechanics, as in triplet oxygen, or
triplet state in general
*
Tuple
In mathematics, a tuple is a finite sequence or ''ordered list'' of numbers or, more generally, mathematical objects, which are called the ''elements'' of the tuple. An -tuple is a tuple of elements, where is a non-negative integer. There is o ...
of length 3 in mathematics
Technologies
*
Photography triplet, or paint triplet
*
Triplet lens, an optical device consisting of three single lenses
*
Tandem bicycle, with three seats
Other uses
*
Triplets
A multiple birth is the culmination of a 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 births ...
, the multiple birth of three children
*
Triplet Lakes, a group of lakes in Minnesota
* ''
The Triplets'', a Spanish children's book
*
The Triplets (band), a Latin pop group
*
Binghamton Triplets, a minor league baseball team
* A triplet, a kind of
assembled gem
* In music, a
tuplet of three successive notes of equal duration
* "The Triplets", Tyler Johnson, Ondrej Palat, and
Nikita Kucherov of the 2014–15 Tampa Bay Lightning
See also
*
*
Triplett (disambiguation)
*
Tercet, or tristich, in poetry
*
Triad (disambiguation), another general term for a group of three
*
Triptych, a work of art which is divided into three sections
*
Trilogy
A trilogy is a set of three distinct works 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. Three-part works that are considered components of ...
{{Disambiguation