Editing MU (section)

== Science, technology, and mathematics ==
===Biology and medicine===
* [[Mu phage]], a bacteriophage of the family Myoviridae of double-stranded DNA non-enveloped contractile tail bacterial viruses
* [[Centimorgan]], or "map unit", a unit of recombinant frequency in genetics
* [[Monitor unit]] (MU), a measure of absorbed dose from a linear accelerator in radiation therapy = 0.001 [[Gray (unit)|Gray]]
* [[SARS-CoV-2 Mu variant]], one of the variants of SARS-CoV-2, the virus that causes COVID-19
* [[Mouse unit]], the amount of toxin required to kill a 20g mouse in 15 minutes via Intraperitoneal injection

=== Chemistry ===
* [[Chemical potential]], a form of potential energy that can be absorbed or released during a chemical reaction
* [[Bridging ligand]], an atom that connects two or more metal centers in a complex (molecule)

=== Mathematics ===
* [[MU puzzle]], a puzzle in the book ''Gödel, Escher, Bach''
* Minimalization operator ([[M operator]]), a function-building operator for [[General recursive function]]
* [[Möbius function]], a multiplicative function in number theory and combinatorics
* Degree of membership in a [[fuzzy set]]
* The standard measure function name in [[measure theory]]
* [[Complex cobordism]], an extraordinary cohomology theory
* μ, the symbol for [[population mean]]

=== Measurement ===
* [[Micro-]], SI (metric, "μ-") prefix denoting a factor of 10<sup>&minus;6</sup> (one millionth)
* [[Micrometre]] (deprecated as a single-character symbol "μ" for micron) 
* Million units of energy, a term used in India for a gigawatt-hour, see [[kilowatt-hour#Other related energy units]]
* [[Mu (land)]], a Chinese unit of area also spelled "mou", equivalent to about 0.066 hectares.

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

===Other uses in science and technology===
* μ, in [[evolutionary algorithm]]s, the population size from which in each generation λ offspring will generate
* [[Mu (rocket family)]], a Japanese rocket family launched between 1966 and 2006
* [[Multiple unit]], self-propelled train carriages capable of coupling with other units of similar type
* [[Olympus mju]] (stylised as μ[mju:]), series of a compact cameras
* The mu (μ) [[Rings of Uranus#μ (mu) and ν (nu) rings|ring of Uranus]]