MU

Mu or MU may refer to:

Language

• Mu (letter), Μ or μ, a letter in the Greek alphabet
• Mu (kana), む or ム, a Japanese kana
• Mu (negative), 無, a Korean and Japanese word important in Zen practice

Sciences

Measurement

• Micro-, SI (metric) prefix denoting a factor of 10⁻⁶ (one millionth)
• Micrometre (deprecated as a single-character symbol)
• Deformation (mechanics), as the "unit" of strain
• Parts per million (relative proportion)
• Million units of energy, a term used in India for a gigawatt hour
• Mu (unit of area) (亩 or 畝), a Chinese unit of area

Mathematics

• Arithmetic mean, of a statistical population
• Möbius function, a multiplicative function in number theory and combinatorics
• Least-fixed-point operator
• Degree of membership in a fuzzy set
• The standard measure function name in measure theory

Physics

• Coefficient of friction, used to approximate the force of friction
• Electron mobility, relating the drift of electrons to the applied electric field across a material
• Permeability (electromagnetism) coefficient, degree of magnetization of a material
• Muon, an elementary particle
• Standard gravitational parameter of a celestial body
• Reduced mass, the "effective" inertial mass appearing in the two-body problem
• Magnetic dipole moment, a measure of the strength of a system's net magnetic source
• Linear density, a measure of mass per unit of length
• Viscosity, the resistance of a fluid which is being deformed by stress
• Mu-metal, a nickel-iron alloy with high magnetic permeability,
• Muonium, exotic atoms made up of an antimuon and an electron

Chemistry

• Chemical potential
• Bridging ligand, an atom that connects two or more metal centers in a complex (molecule)

Other sciences

• Groupe µ, an interdisciplinary Belgian group focusing on linguistics and rhetoric
• Evolutionary Algorithm - μ, population size from which in each generation λ offspring will generate. (the terms μ and λ originate from Evolution strategy notation)
• Mu (lost continent), A hypothetical continent that allegedly existed in the Pacific Ocean, but disappeared before human existence.
• Growth rate, a calculation of doubling time of an organism or population
• Centimorgan, or "map unit", a unit of recombinant frequency in genetics
• Monitor unit, the machine output of a linear accelerator in radiation therapy
• Meaningful Use, Electronic Health Record regulations in the U.S. linked to achieving measurable outcomes in patient engagement, care coordination, and population health

Places

• Mauritius' ISO 3166-1 alpha-2 country code
  • .mu, the country code top-level domain for Mauritius
• Mediterranean Union
• Mu River, a river in Burma (Myanmar)

Universities

• Mahidol University, Thailand
• Manipal University, Karnataka, India
• Marquette University, Milwaukee, Wisconsin, US
• Marshall University, Huntington, West Virginia, US
• Masaryk University, the Czech Republic,
• McGill University, Montreal, Quebec, Canada
• Miami University, Oxford, Ohio, US
• Middlesex University, London, UK
• Millersville University of Pennsylvania, US
• Misamis University, Ozamiz City, Misamis Occidental, Philippines
• Mzumbe University Mzumbe, Tanzania
• University of Missouri, Columbia, Missouri, US
• University of Mumbai, Maharashtra, India (formerly University of Bombay)
• Marmara University, Istanbul, Turkey
• Maastricht University, the Netherlands
• Manipur University, Manipur, India
• Mondragon University, Mondragon, Spain

Business and industry

• Mu Dynamics, a company which makes hardware and software to test network services
• Micron Technology, Boise, Idaho, US, known for producing semiconductor devices
• Mu (rocket), a Japanese rocket
• China Eastern Airlines's IATA code
• Multiple unit, such as a rail diesel car
• Isuzu MU Wizard, a compact sport/utility vehicle
• MU Press, an independent comic book publisher

Popular culture

Sports and games

• Mu Online, an online role-playing game
• Magic-User, a class type in D&D, HackMaster, and many fantasy RPGs
• Manchester United F.C., a football (soccer) club
• Mew (Pokémon), a legendary pokémon, sometimes misspelled Mu.

Fiction and myths

• Aries Mu, a character from the anime Saint Seiya
• Mu La Flaga, a character from the anime Mobile Suit Gundam SEED
• Mù, a purported entrance near Edolo, Italy to the underground legendary city Agartha
• Mirror Universe (Star Trek), fictional parallel universe
• Miskatonic University, a fictional university
• Mu (lost continent), a mythical continent in the Pacific Ocean

Theater and music

• Mu chord (or mu major), a term coined by jazz-rock group Steely Dan to refer to various voicings of an add-9 chord
• Mu Performing Arts, an Asian-American theater company and taiko drumming ensemble.
• MU (musician), real name Mutsumi Kanamori
• MU (70's band), a psychedelic group led by Merrell Fankhauser and Jeff Cotton
• /mu/, the music board on 4chan
• Miss Universe, a beauty pageant

Other

• Megaupload, a one-click filehosting service
• MisUnderstood word, a term in Scientology
• MU puzzle, a puzzle in Gödel, Escher, Bach
• Mothers' Union, global Anglican women's organisation
• µTorrent, a freeware BitTorrent client for Microsoft Windows and Mac OS X
• Musician (MU), an enlisted rating in the United States Navy
• Daikon, a mild, large, white, East Asian radish (Korean word)

People with the name

• Mu Dan, 20th-century Chinese poet and translator

See also

• Moo (disambiguation)