J (disambiguation)
Encyclopedia
J
is the tenth letter of the Latin alphabet.
J may also refer to:
J
Ĵ or ĵ is a letter in Esperanto orthography representing the sound .While Esperanto orthography uses a diacritic for its four postalveolar consonants, as do the Latin-based Slavic alphabets, the base letters are Romano-Germanic...
is the tenth letter of the Latin alphabet.
J may also refer to:
- Palatal approximantPalatal approximantThe palatal approximant is a type of consonantal sound used in many spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is '...
in the International Phonetic Alphabet
Astronomy
- J, a provisional designationProvisional designation in astronomyProvisional designation in astronomy is the naming convention applied to astronomical objects immediately following their discovery. The provisional designation is usually superseded by a permanent designation once a reliable orbit has been calculated...
prefix for some objects discovered between May 1 and 15 of a year
Computing
- J (programming language)J (programming language)The J programming language, developed in the early 1990s by Kenneth E. Iverson and Roger Hui, is a synthesis of APL and the FP and FL function-level languages created by John Backus....
, successor to APL - J#J SharpVisual J# |sharp]]') programming language is a discontinued transitional language for programmers of Java and Visual J++ languages, so they may use their existing knowledge and applications on .NET Framework....
programming language for the Microsoft .NET Framework - J (text editor)J (text editor)J is a text editor for programmers, available under the GNU General Public License.-Compatibility:J is written in Java and runs on Linux, Mac OS X, OS/2, Unix, VMS, and Windows. It is part of the ArmedBear Common Lisp project on SourceForge....
, written in Java - J operator, a programming construct
- J (operating system), an operating system for ICL's System 4 series of computers
Genetics and medicine
- Haplogroup J (mtDNA)Haplogroup J (mtDNA)In human mitochondrial genetics, Haplogroup J is a human mitochondrial DNA haplogroup.Haplogroup J derives from the haplogroup JT, which also gave rise to Haplogroup T. In his popular book The Seven Daughters of Eve, Bryan Sykes named the originator of this mtDNA haplogroup Jasmine...
- Haplogroup J (Y-DNA)Haplogroup J (Y-DNA)In human genetics, Haplogroup J is a Y-chromosome DNA haplogroup. It is one of the major male lines of all living men...
- ATC code JATC code J-See also:* Immune sera, immunoglobulins and vaccines for veterinary use are in the ATCvet group QI....
Antiinfectives for systemic use, a section of the Anatomical Therapeutic Chemical Classification System
Mathematics
- J, symbol in the Bessel functionBessel functionIn mathematics, Bessel functions, first defined by the mathematician Daniel Bernoulli and generalized by Friedrich Bessel, are canonical solutions y of Bessel's differential equation:...
- j, the second imaginary unit of a quaternionQuaternionIn mathematics, the quaternions are a number system that extends the complex numbers. They were first described by Irish mathematician Sir William Rowan Hamilton in 1843 and applied to mechanics in three-dimensional space...
- The j-invariantJ-invariantIn mathematics, Klein's j-invariant, regarded as a function of a complex variable τ, is a modular function defined on the upper half-plane of complex numbers.We haveThe modular discriminant \Delta is defined as \Delta=g_2^3-27g_3^2...
, a modular function
Physics
- JouleJouleThe joule ; symbol J) is a derived unit of energy or work in the International System of Units. It is equal to the energy expended in applying a force of one newton through a distance of one metre , or in passing an electric current of one ampere through a resistance of one ohm for one second...
, the SI unit of energy - Current densityCurrent densityCurrent density is a measure of the density of flow of a conserved charge. Usually the charge is the electric charge, in which case the associated current density is the electric current per unit area of cross section, but the term current density can also be applied to other conserved...
- Polar moment of inertiaPolar moment of inertiaPolar moment of inertia is a quantity used to predict an object's ability to resist torsion, in objects with an invariant circular cross section and no significant warping or out-of-plane deformation. It is used to calculate the angular displacement of an object subjected to a torque...
- j, the imaginary unitImaginary unitIn mathematics, the imaginary unit allows the real number system ℝ to be extended to the complex number system ℂ, which in turn provides at least one root for every polynomial . The imaginary unit is denoted by , , or the Greek...
(
) in fields where i is traditionally used for another value - J, name given by Samuel C. C. Ting for the J/ψ particle
- J-couplingJ-couplingJ-coupling is the coupling between two nuclear spins due to the influence of bonding electrons on the magnetic field running between the two nuclei. J-coupling contains information about dihedral angles, which can be estimated using the Karplus equation...
, indirect dipole-dipole coupling between two nuclear spins
Music
- J (musician), a Japanese rock musician
- J (singer)J (singer)Chung Jae-Young , better known by her stage name J, is a Korean R&B/Soul artist who is known for her soft unique voice tone. She attended Northern Virginia Community College. She was discovered in a beauty pageant for Koreans in Washington D.C. The contest allowed her to get the attention of a...
, a Korean pop singer - J., nickname of American White Zombie guitarist Jay Yuenger
- J MascisJ MascisJ Mascis is an American musician, best known as the singer, guitarist and songwriter for Dinosaur Jr.. In 2011, he was ranked in Rolling Stone's list of the 100 greatest guitarists of all time.- Biography :...
, American singer and guitarist of Dinosaur Jr. - J RecordsJ RecordsJ Records was an American record label, owned and operated by Sony Music Entertainment, and was distributed through the RCA Music Group.-Company history:...
, a record label - "J", song by Reggie and the Full Effect from the album Last Stop: Crappy TownLast Stop: Crappy Town-Personnel:*James Dewees - Vocals, Keyboard*Billy Johnson - Drums*Paul Gray - Bass*Cory White - Guitar*Sean Beavan - Producer-Album Position:-External links:* *...
Film and television
- Agent J, a character in the Men in Black films portrayed by Will Smith
- J, an antagonist in Bobobo
- Kamen Rider JKamen Rider J, translated as Masked Rider J, is a 1994 Japanese tokusatsu movie produced by Toei Company, loosely based on their Kamen Rider Series.As part of the 40th anniversary of the Kamen Rider Series, J was shown on Toei's pay-per-view channel during September 2011...
, a Japanese movie
Other uses
- J, slang for Joint (cannabis)Joint (cannabis)Joint is a slang term for a cigarette rolled using cannabis. Rolling papers are the most common rolling medium among industrialized countries, however brown paper, cigarettes with the tobacco removed, and newspaper are commonly used in developing countries. Modern papers are now made from a wide...
- J, slang for Air JordanAir JordanAir Jordan, also known simply as Jordans, are a brand of shoes and athletic apparel produced by Nike originally designed for and endorsed by NBA Hall of Famer and Six Time NBA Champion Michael Jordan. The Air Jordan line is now sold by the Jordan Brand subsidiary of Nike...
shoes - J, slang for making a contested field goal in basketball
- J bandJ bandJ band can refer to two different regions of the electromagnetic spectrum, in the radio and near-infrared.-Radio:The J band is the range of radio frequencies from 10 GHz to 20 GHz in the electromagnetic spectrum. This is equal to wave lengths between...
, radio frequencies ranges from 10 to 20 GHz - J (psychedelic)J (psychedelic)Benzodioxolylbutanamine is an entactogen, psychedelic, and stimulant of the phenethylamine chemical class. It is the α-ethyl analogue of methylenedioxyphenethylamine and methylenedioxyamphetamine .BDB was first synthesized by Alexander Shulgin...
- J (New York City Subway service)
- J ChurchJ ChurchThe J Church is a Muni Metro railway line in San Francisco, California mainly serving the Noe Valley and Balboa Park neighborhoods, connecting them to downtown. It began as one of San Francisco's streetcar lines in 1917, and was converted to modern light rail operation with the creation of the Muni...
, a light rail line in San Francisco - Elgin, Joliet and Eastern RailwayElgin, Joliet and Eastern RailwayThe Elgin, Joliet and Eastern Railway is a Class II railroad that operates in the suburbs surrounding Chicago. The railroad is a link between Class I railroads in northeast Illinois and northwest Indiana...
, a Chicago railway sometimes referred to as "The J" - J, the international license plate code for JapanJapanJapan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
- J, the postal code for the western and northern regions of QuebecQuebecQuebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....
- J, German mintmark for the city of Hamburg
- J short for JahwistJahwistThe Jahwist, also referred to as the Jehovist, Yahwist, or simply as J, is one of the sources of the Torah. It gets its name from the fact that it characteristically uses the term Yahweh for God in the book of Genesis...
, one of the major authors of the Torah - j.J.j., also known as Jweekly, is a Jewish website and weekly magazine in Northern California. It is owned and operated by "j. the Jewish news weekly of Northern California"...
, a weekly newspaper serving the Jewish community in Northern California - J, the narrator of Jerome K. Jerome's novel Three Men in a BoatThree Men in a BoatThree Men in a Boat ,The Penguin edition punctuates the title differently: Three Men in a Boat: To Say Nothing of the Dog! published in 1889, is a humorous account by Jerome K...
- J., Jezper SöderlundJezper SöderlundJezper Söderlund is a Swedish record producer and electronic music artist who records mainly under the name of Airbase. His experimentation with electronic music began in 1994 after he was introduced to a digital sequencer application called Scream Tracker...
, the trance artist
See also
- J/22J/22The International J/22 is a popular fixed keel one design racing sailboat normally raced with a crew of three or four people . It races with the "class jib," a non-overlapping jib, a mainsail, and a large spinnaker...
, J/24J/24The J/24 is an International One-Design keelboat class as defined by the International Sailing Federation. The J/24 is a one design class created to fulfill the diverse needs of recreational sailors such as cruising, one design racing, day sailing and handicap racing.The J/24 is the world's most...
and J/80J/80The International J/80 is a fixed keel One-Design sportsboat certified for offshore sailing, normally crewed by 3 to 5 people. As well as its mainsail & headsail, the J/80 has a gennaker for downwind sailing, which when the wind rises over 15 knots gets the boat on the plane downwind.With over...
sailboat classes - J MaysJ MaysJ Mays, born in Pauls Valley, Oklahoma, U.S., is Group Vice President of Global Design and Chief Creative Officer at Ford Motor Company. His name is simply "J", named after his grandfather, S J Mays.-Background:...
, Group Vice President of Design and Chief Creative Officer at Ford Motor Company - J DillaJ DillaJames Dewitt Yancey , better known by the stage names J Dilla and Jay Dee, was an American record producer who emerged from the mid-1990s underground hip hop scene in Detroit, Michigan...
, a hip-hip performer and producer - J-Zone, a hip-hop performer
- Jay-ZJay-ZShawn Corey Carter , better known by his stage name Jay-Z, is an American rapper, record producer, entrepreneur, and occasional actor. He is one of the most financially successful hip hop artists and entrepreneurs in America, having a net worth of over $450 million as of 2010...
, a hip-hop performer - JJ (disambiguation)
- JJJ (disambiguation)
- JayJayThe jays are several species of medium-sized, usually colorful and noisy, passerine birds in the crow family Corvidae. The names jay and magpie are somewhat interchangeable, and the evolutionary relationships are rather complex...
- Jay JayJay JayJay Jay is a 2003 Tamil romance film directed by Saran. It's a story about lucky love and how love stays strong. The movie stars R. Madhavan, Pooja, Amoga, Kalabhavan Mani, Charle, Dhamu, Giridhar, Adithya, Reema Sen, Malavika Avinash and Gemini Balaji. The title is formed from the first alphabets...