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Monastery of Oseira
The Monastery of Santa María la Real de Oseira is a Cistercian monastery in Ourense, Galicia, Spain, founded in 1137 and still home to Trappist monks.
Monastery of Saint Catherine (Sinai)
The Monastery of Saint Catherine is an Eastern Orthodox monastery at Mount Sinai, Egypt, founded in the 6th century under Justinian I, the oldest still in use.
Monastery of Saint Sava (Serbia)
The Monastery of Saint Sava, also called Mileševa Monastery, is a Serbian Orthodox monastery near Prijepolje, Serbia, founded in the 13th century by King Vladislav.
Monastery of Santa Maria de Ripoll
The Monastery of Santa Maria de Ripoll is a Benedictine monastery in Ripoll, Catalonia, founded in 879 by Count Guifré el Pelós and rebuilt in 1032.
Monastery of Vatopedi
The Monastery of Vatopedi (Ιερά Μονή Βατοπεδίου) is one of the twenty monasteries of Mount Athos in northern Greece, ranked second and rebuilt in 972.
Mondi
Mondi is a global packaging and paper group with mills in Europe and South Africa, demerged from Anglo American and listed in London and Johannesburg since 2007.
Mondo Oil Field
Mondo Oil Field is a deepwater oil field in Block 15 offshore Angola, discovered in 2000 and producing since 2008 through the FPSO Mondo vessel, operated by Esso Exploration Angola.
Mondragón rifle
The Mondragón rifle, designed by General Manuel Mondragón and adopted by Mexico in 1908, is generally regarded as the first self-loading rifle accepted by any national army.
Monee (Sea Limited)
Monee, formerly known as SeaMoney, is the digital financial services arm of Singapore-headquartered Sea Limited, operating payments, credit, banking, and insurtech across Southeast Asia and Brazil; it rebranded in 2025.
Monel
Monel is a family of nickel-copper alloys, about two-thirds nickel and one-third copper, developed by Inco in 1905 and used mostly in marine and chemical service for its corrosion resistance.
Monero
Monero (XMR), originally called BitMonero, is a privacy-focused cryptocurrency launched in April 2014 as a fork of Bytecoin, hiding every transaction's sender, amount, and receiver by default.
Money Plane
Money Plane is a 2020 American action-heist film directed by Andrew Lawrence, starring Adam Copeland (Edge), Kelsey Grammer, Thomas Jane, and Denise Richards, about a thief robbing an airborne casino; released on VOD July 10, 2020, it flopped critically (23% on Rotten Tomatoes) and became a cult bad movie.
MoneyGram
MoneyGram is an American money transfer and payments company headquartered in Dallas, Texas, tracing its lineage to Travelers Express Company and supporting transfers in over 200 countries and territories.
MoneyLion
MoneyLion is an American consumer financial technology company founded in New York in 2013, offering mobile banking, cash advances, credit-builder loans, and investing; it was acquired by Gen Digital in 2025.
Mong Duong power station
Mong Duong power station is a coal-fired power complex in Quang Ninh province, Vietnam, made up of the 1,080 MW Mong Duong 1 and 1,240 MW Mong Duong 2 plants.
MongoDB
MongoDB is a document-oriented NoSQL database, first released in 2009, that stores data as JSON-like BSON documents in schema-flexible collections instead of table rows, and ranks first among document stores.
MongoDB Atlas
MongoDB Atlas is a multi-cloud database-as-a-service from MongoDB, announced in June 2016, that automates provisioning, patching, backup, and scaling on AWS, Azure, and Google Cloud.
Moni Naor
Moni Naor (מוני נאור) is an Israeli computer scientist and cryptographer, professor and dean at the Weizmann Institute, known for work on pseudorandom functions and proof of work.
Monica C. Regalbuto
Monica C. Regalbuto is a Mexican-born American chemical engineer who works on the nuclear fuel cycle, serving as Vice-President of Science and Technology at Canadian Nuclear Laboratories.
Mónica Lira‐Cantú
Mónica Lira-Cantú, also published as Monica Lira-Cantu, is a Spanish materials scientist who leads the Nanostructured Materials for Photovoltaic Energy group at ICN2 near Barcelona and coordinated the European StableNextSol network on perovskite solar cell stability.
Monica Reza
Monica Reza, known professionally as Monica Jacinto, is an American aerospace materials scientist who co-invented Mondaloy burn-resistant superalloys and led a materials group at NASA's Jet Propulsion Laboratory.
Monitor (synchronization)
A monitor is a synchronization construct in concurrent programming that bundles shared state, an implicit lock, and condition variables, proposed by Per Brinch Hansen in 1973.
Monitor (warship)
A monitor is a small, heavily armored warship carrying guns in revolving turrets, named for USS Monitor, which fought CSS Virginia at Hampton Roads in 1862.
Monitor mode
Monitor mode is an operating mode of an 802.11 wireless network interface that passively captures all frames on a channel without associating with any access point.
Monitored Retrievable Storage
Monitored Retrievable Storage (MRS) is a US Department of Energy concept for above-ground interim storage of spent nuclear fuel before permanent disposal, proposed in Tennessee but never built.
Monju Nuclear Power Plant
Monju (もんじゅ) was a 280 MW prototype fast breeder reactor in Tsuruga, Fukui, Japan, Japan's only breeder reactor with power generating capability, abandoned after a 1995 sodium leak.
Monkey boots
Monkey boots are low-cut lace-to-toe ankle boots thought to have originated in Czechoslovakia as military footwear, adopted in Britain by 1960s mods and early skinheads.
Monkey hanger
Monkey hanger is a colloquial nickname for a person from Hartlepool, a coastal town in County Durham, England, from a legend that townsfolk hanged a shipwrecked monkey believing it a French spy.
Monkeys and apes in space
Monkeys and apes in space were nonhuman primates launched mostly by the United States and Soviet Union between 1948 and 1997 to test spaceflight survival before humans flew.
Mono (software)
Mono is an open-source implementation of Microsoft's .NET Framework for cross-platform applications, launched in 2001 and used in the Unity game engine and Xamarin mobile apps.