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All articles starting with M

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Momal Rano

Momal Rano (مومل راڻو) is a tragic romantic folk tale of Sindh and Rajasthan about the princess Momal and her lover Rano, told in Shah Jo Risalo.

Momart

Momart is a London-based fine art logistics company providing transport, storage, and installation of artworks, founded in 1972 and known for the 2004 Leyton warehouse fire that destroyed works by Tracey Emin and Damien Hirst.

Mombasa

Mombasa: coastal city and Kenya's second largest city, capital of Mombasa County (212.5 km², 939,370 people in 2009). Swahili port since the 8th century; Fort Jesus (1593–96) is a UNESCO site; its port handled 45.45 million tons in 2025.

Mombojó

Mombojó is an indie pop and rock band formed in Recife, Pernambuco, in 2001, in the aftermath of manguebeat, and active for over 25 years.

Momčilo Ninčić

Momčilo Ninčić (Момчило Нинчић) was a Serbian and Yugoslav politician who served twice as foreign minister and presided over the League of Nations Assembly in 1926.

Momelotinib

Momelotinib (OJJAARA, Omjjara) is an oral JAK1/JAK2/ACVR1 inhibitor approved in 2023 for intermediate- or high-risk myelofibrosis with anemia, distinguished from other JAK inhibitors by improving hemoglobin and transfusion independence via hepcidin suppression.

Moment (mathematics)

A moment is a numerical characteristic of a probability distribution, the expected value of a power of a random variable; the first moment is the mean.

Moment (physics)

In physics, a moment measures the turning effect of a force or other quantity about a point or axis; the moment of a force is also called torque.

Moment closure

Moment closure is a mathematical technique approximating the infinite hierarchy of moment equations of a stochastic process by a finite system, expressing higher-order moments as functions of lower-order ones.

Moment determinacy and indeterminate distributions

Moment determinacy is the property of a probability distribution being uniquely determined by its moments. Carleman's condition implies determinacy, and the lognormal distribution is the standard indeterminate example.

Moment distribution method

Moment distribution, the moment distribution method, is an iterative hand technique for analyzing indeterminate beams and frames, developed by Hardy Cross and first published in 1930.

Moment in Peking

Moment in Peking (京華煙雲) is a 1939 English novel by Chinese writer Lin Yutang following three wealthy Beijing families through thirty years of modern Chinese history.

Moment magnitude scale

The moment magnitude scale, also called the Hanks–Kanamori scale, is a logarithmic measure of earthquake size based on the seismic moment, proposed by Hiroo Kanamori in 1977.

Moment map

A moment map, also written momentum map, is a tool in symplectic geometry that packages the conserved quantities generated by a Lie group's symmetry action into a single map.

Moment of inertia

Moment of inertia, also called rotational inertia, measures a body's resistance to changes in its rotation, defined as the sum of each particle's mass times the squared distance from the axis.

Moment of inertia factor

The moment of inertia factor, or normalized polar moment of inertia, is a dimensionless measure of how mass is distributed inside a planet, equal to 0.4 for a uniform sphere.

Moment problem

The moment problem, or problem of moments, asks whether a probability distribution is uniquely determined by its moments, a question introduced by Stieltjes in 1894 and 1895.

Moment tensor inversion

Moment tensor inversion is a seismological technique that estimates the forces at an earthquake source by fitting synthetic seismograms to waveforms, yielding fault orientation, seismic moment, and moment magnitude.

Moment tensor potential

Moment tensor potentials (MTPs) are machine-learning interatomic potentials that predict atomic energies and forces from rotationally covariant moment tensors, proposed by Alexander Shapeev in 2015 and widely applied to metals and alloys.

Moment-generating function

The moment-generating function (MGF) of a random variable X is M_X(t)=E(e^{tX}); differentiating at 0 yields every moment, and an MGF that exists uniquely determines the distribution.

Momentary Lily

Momentary Lily (もめんたりー・リリィ) is a 2025 original TV anime by GoHands × Shochiku about five girls fighting Wild Hunt machines with Andvari weapons; premiered January 2, 2025, streamed on Crunchyroll.

Momentis Surgical

Momentis Surgical, formerly Memic Innovative Surgery, is an Israeli surgical-robotics company founded around 2012 whose Anovo system, with miniature articulated arms, won FDA authorization for transvaginal hysterectomy in 2021.

Momentive

Momentive Performance Materials is an American silicone producer in Niskayuna, New York, formed from General Electric's silicones business and owned since 2024 by South Korea's KCC.

Momentum

Momentum is a physical quantity, the product of an object's mass and velocity (p = mv), and it is conserved in systems with no net external force.

Momentum (2015 film)

Momentum (2015) is a South African-shot action thriller, Stephen Campanelli's directorial debut, starring Olga Kurylenko, James Purefoy, and Morgan Freeman; a Cape Town diamond heist thriller that flopped, taking £46 in the UK.

Momentum (organisation)

Momentum is a British socialist pressure group founded 8 October 2015 to organise support for Jeremy Corbyn's Labour leadership, requiring members to join the Labour Party, governed by an elected NCG, and fined £16,700 by the Electoral Commission in 2019.

Momentum bandgap

A momentum bandgap, also called a k gap, is a range of momenta forbidden in a temporally modulated medium, the temporal counterpart of an energy bandgap.

Momentum method

The momentum method is an optimization technique in machine learning that adds a fraction of the previous update to each gradient step, dampening oscillations and speeding convergence.

Momentum Metropolitan Holdings

Momentum Metropolitan Holdings, today named Momentum Group, is a South African financial services group operating under the Momentum, Metropolitan, and Guardrisk brands, formed by a 2010 merger.

Momentum operator

The momentum operator is the linear operator in quantum mechanics that represents observable momentum, acts as -iℏ∇ on wavefunctions, and forms the fundamental pair with position from which angular momentum and the Hamiltonian are built.