User:GhostInTheMachine/SD2
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Level 5 Vital articles — G – M
- GALEX – NASA UV space telescope of the Explorer program, operated 2003-2013
- Gain graph – Graph with group-labeled edges
- Gale–Shapley algorithm – Procedure for finding a stable matching
- Galop – Form of dance
- Game (hunting) – Wild animals under pursuit or taken in hunting
- Gao Empire – Country in west Africa, 8th–13th centuries
- Garden design – Designing plans for layout and planting of gardens
- Gaspard de la Nuit (poetry collection) – 1836 work by Aloysius Bertrand
- Gateshead Millennium Bridge – English tilt bridge across the River Tyne
- Gemäldegalerie, Berlin – Art museum in Berlin, Germany
- Generalized Petersen graph – Family of cubic graphs formed from regular and star polygons
- Genetically modified tree – Tree whose DNA has been modified using genetic engineering techniques
- Genoese colonies – Genoese territories around the Mediterranean and Black seas
- Gevurah – Fifth emanation in Kabbalah
- Giant Magellan Telescope – Telescope under construction in Chile
- Girl with Balloon – Series of murals in London by artist Banksy
- Girl with Peaches – 1887 painting by Valentin Serov
- Glass art – Art, substantially or wholly made of glass
- Global silver trade from the 16th to 19th centuries – International trade route carrying silver
- Gnome sort – Sorting algorithm
- God (male deity)
- Golden parachute – Agreement providing significant compensation if someone is fired, such as due to a merger
- Gorgias (dialogue) – Socratic dialogue by Plato
- Gothic paganism
- Gown – Full-length woman's garment
- Grain cradle – Type of scythe
- Grammatical category – Property of items within the grammar of a language
- Graph (abstract data type) – Abstract data type in computer science
- Graph automorphism – Mapping a graph onto itself without changing edge-vertex connectivity
- Graph minor – Subgraph with contracted edges
- Graphetics – Study of written graphs independent of language
- Great Mongol Shahnameh – Persian style illustrated manuscript
- Great Stand on the Ugra River – 1480 battle between the Great Horde and the Grand Duchy of Moscow
- Greek sea gods
- Gregorian telescope – Type of astronomy magnifier
- Grid code – Specifications for electrical grids
- Grid energy storage – Large scale electricity supply management
- Griddle – Type of cooking device
- Grinding (abrasive cutting) – Machining process using a grinding wheel
- Grotesque – Art style
- Groundskeeping – Activity of tending an area of land
- Guangming Daily – Chinese Communist Party daily newspaper
- Guerrillero Heroico – Photograph of Che Guevara
- Gulong ng Palad – 2006 Philippine television drama series
- Gunship – Type of military aircraft
- Gypsum plaster
- Gyūdon – Japanese cuisine
- Hair coloring – Practice of changing the hair color
- Hand puppet – Puppet controlled by hands
- Handshaking lemma – Every graph has evenly many odd vertices
- Harbin Institute of Technology – Public university in Harbin, Heilongjiang, China
- Harmonic conjugate – Concept in mathematics
- Hatstand – Device used to store hats and coats
- Hausa people – Ethnic group in West Africa
- Hawaiian Renaissance – Hawaiian resurgence of their distinct cultural identity
- Headboard (furniture) – Piece of furniture that attaches to the head of a bed
- Hearing (law) – Court proceeding
- Heart of Greed
- Heavy metal subculture – Culture of heavy metal fans
- Hebrew literature – Literature in the Hebrew Language
- Held–Karp algorithm – Solution of the traveling salesman problem
- Heliciculture – Snail farming
- Henderson the Rain King – 1959 novel by Saul Bellow
- Herero language – Bantu language of Namibia and Botswana
- Hermes and the Infant Dionysus – Ancient Greek sculpture
- Herring as food – Type of fish used as food for humans
- Herschel graph – Bipartite non-Hamiltonian polyhedral graph
- Hezar Dastan – Iranian historic drama television series
- High-voltage shore connection – Type of electrical connection
- Hilbert's axioms – Basis for Euclidean geometry
- Hindu art – Art associated with Hindus
- Hindu music – Hindu art form
- Hiri Motu – Austronesian language of Papua New Guinea
- Hiroshima (book) – 1946 book by John Hersey
- Hiroshima University – National university in Hiroshima Prefecture, Japan
- Historiography of science – History of the history of science
- History of Alberta – None
- History of Andhra Pradesh
- History of Argentina
- History of Australian rules football – None
- History of Azerbaijan
- History of Baghdad
- History of Balochistan
- History of Bangkok
- History of Bashkortostan
- History of Bogotá
- History of Bolivia
- History of British Columbia – None
- History of Connecticut
- History of Curaçao
- History of Dagestan – Historical description of Dagestan
- History of Delaware
- History of Dubai – None
- History of Fiji – None
- History of Flanders
- History of Galicia
- History of Georgia (U.S. state)
- History of Gnosticism
- History of Hispanic and Latino Americans in the United States
- History of Jakarta
- History of Karachi
- History of Kinshasa
- History of Kolkata
- History of Kosovo – None
- History of Lagos
- History of Maharashtra
- History of Maine
- History of Manchuria
- History of Maryland
- History of Mexican Americans
- History of Michigan
- History of Montana
- History of Nagorno-Karabakh
- History of Nairobi
- History of Native Americans in the United States
- History of New Brunswick
- History of New Hampshire
- History of Newfoundland and Labrador
- History of Nova Scotia
- History of Nunavut – None
- History of Ohio
- History of Ontario – None
- History of Oregon
- History of Poles in the United States
- History of Protestantism
- History of Queensland
- History of Rio de Janeiro – History of Rio de Janeiro, Brazil
- History of Saint Martin
- History of Saint Petersburg
- History of Saskatchewan
- History of Seychelles
- History of Shi'a Islam
- History of Sikhism
- History of Sindh
- History of Somaliland
- History of South Australia – None
- History of South Sudan
- History of Svalbard
- History of Sydney
- History of Taoism – None
- History of Tasmania – Chronology of the island of Tasmania
- History of Tatarstan – History of the Tatarstan region, Russia
- History of Tokyo
- History of Transnistria
- History of Transylvania – None
- History of Utah
- History of Uttar Pradesh – History of the state in Northern India
- History of Venezuela
- History of Vermont – None
- History of Vienna
- History of West Africa
- History of West Bengal
- History of Western Australia
- History of Wyoming
- History of Xinjiang – Aspect of Chinese history
- History of Yukon – None
- History of Yunnan – History of Yunnan province, China
- History of abortion
- History of alcoholic drinks
- History of ancient Egypt
- History of anthropology
- History of archery
- History of artificial life
- History of ballet – Formalized form of dance
- History of banking – Detailed history of the formation of the bank
- History of biochemistry – None
- History of biotechnology
- History of chemical engineering
- History of combinatorics
- History of computing
- History of construction
- History of crime fiction
- History of criminal justice – None
- History of cycling
- History of cycling infrastructure
- History of dance
- History of electrical engineering – None
- History of electromagnetic theory
- History of emotions – None
- History of energy – None
- History of ethics
- History of fantasy
- History of fencing
- History of fertilizer
- History of field hockey – None
- History of figure skating
- History of film technology – Aspect of motion picture history
- History of forensic photography
- History of genetic engineering
- History of genetics
- History of geophysics
- History of glass
- History of globalization
- History of golf – None
- History of graphic design
- History of gunpowder
- History of hang gliding – None
- History of human rights – Global narrative of civil rights
- History of hurling
- History of ideas
- History of knowledge – None
- History of lacrosse
- History of liberalism
- History of martial arts – None
- History of meditation
- History of mineralogy
- History of mobile phones – Mobile communication devices
- History of modern Western subcultures – None
- History of modern literature
- History of monorail – None
- History of navigation – Intersection of history and navigation
- History of nuclear weapons
- History of online games – None
- History of optics
- History of organic farming
- History of poetry
- History of probability
- History of quantum mechanics
- History of rail transport before 1700
- History of road transport – None
- History of robots
- History of rock climbing – Key chronological milestones
- History of rodeo – History of Western equestrian sport
- History of rowing sports – None
- History of rugby league
- History of rugby union
- History of scholarship – Historical study of fields of study
- History of science and technology in China
- History of socialism – Ideological History Of Socialism
- History of software – Description of the evolution and development of software throughout history
- History of spaceflight
- History of statistics – None
- History of subatomic physics – Chronological listing of experiments and discoveries
- History of suicide – Attitudes towards and practices of suicide throughout history
- History of sundials
- History of surfing
- History of swimming
- History of the Assyrian people
- History of the Azores
- History of the Baháʼí Faith – None
- History of the Balkans
- History of the Caucasus – Past events in the Caucasus region
- History of the Communist Party of the Soviet Union (Bolsheviks) – History book commissioned by Joseph Stalin
- History of the Cossacks – Overview of the East Slavic ethnic group
- History of the Eastern Orthodox Church
- History of the Latter Day Saint movement
- History of the Northern Territory
- History of the Northwest Territories
- History of the Pitcairn Islands
- History of the Romani people
- History of the Russo-Turkish wars
- History of the Turks and Caicos Islands
- History of the United States (1918–1945)
- History of the United States (1980–1991) – Chronology of the United States (1980–1991)
- History of the United States Virgin Islands
- History of the alphabet
- History of the bicycle – None
- History of the family – None
- History of the firearm
- History of the hippie movement – Historical Record of the Hippie movement
- History of the jet engine – None
- History of the petroleum industry
- History of the punk subculture
- History of the social sciences – None
- History of thermodynamics
- History of trigonometry
- History of water polo – None
- History of webcomics – None
- History of women in the United States
- History of wood carving
- History of wrestling – None
- Hod (Kabbalah) – Eighth emanation in Kabbalah
- Hokkaido University – Japanese National University in Sapporo, Hokkaido, Japan
- Holocaust trains – Railway transports used in Nazi Germany
- Holy Alliance – Military alliance between Austria, Prussia, and Russia
- Holy Sonnets – Series of 19 poems by John Donne
- Home energy storage – Local type of energy storage
- Home improvement – Process of renovating or making additions to one's home
- Homogeneous differential equation – Type of ordinary differential equation
- Hong Kong University of Science and Technology – Public research university in New Territories, Hong Kong
- Hookup culture – Overview of casual sex encounters without commitment
- Hopcroft–Karp algorithm – Algorithm for maximum cardinality matching
- Hosoya index – Number of matchings in a graph
- House of Teururai – Royal family of Huahine and Maia'o, 1852–1895
- House society – Society organized in dwellings
- Housekeeping – Management of duties and chores involved in the running of a household
- Houseplant – Ornamental plant in a home or office
- Huangmei opera – Form of Chinese opera
- Huizhou Chinese – Sinitic language
- Hum Log
- Humor magazine
- Hundred Schools of Thought – Chinese philosophy during the Eastern Zhou
- Hungarian algorithm – Polynomial-time algorithm for the assignment problem
- Hunger (Hamsun novel) – 1890 novel by Knut Hamsun
- Hurrian songs – Collection of music dating from approximately 1400 BC
- Hybrid offence – Class of offence in common law jurisdictions
- Hybrid security
- Hyperbolic partial differential equation – Type of partial differential equations
- Hyperbolic triangle – Triangle in hyperbolic geometry
- Hōryū-ji – Buddhist temple in Nara Prefecture, Japan
- I Walk the Line – 1956 single by Johnny Cash
- I Wandered Lonely as a Cloud – Lyric poem by William Wordsworth
- Ibadah – Adoration in Islam
- Icelandic literature
- Ideal (order theory) – Nonempty, upper-bounded, downward-closed subset
- Ignatian spirituality – Catholic religious tradition
- Immigration law – National government policies
- Impromptus (Schubert) – Series of eight piano pieces by Schubert
- In the World of Animals
- Income statement – Type of financial statement
- Independent Commission Against Corruption (Hong Kong) – Anti-corruption agency in Hong Kong
- Independent People – Novel by Halldór Laxness (1934, 1935)
- Independent media – Mass communication outlets not associated with governments or corporations
- Indeterminate form – Expression in mathematical analysis
- Indian Pacific – Passenger train service in Australia
- Indian campaign of Alexander the Great – Ancient Greek military campaign
- Indigenous horticulture – Horticulture practice
- Indigenous music – Music of indigenous ethnic groups
- Indoctrination – Inculcating a person with certain ideas
- Induction generator – Type of AC electrical generator
- Industrial history
- Informal logic – Branch of logic
- Information management – Organisational activity concerning information lifecycle
- Information set (game theory) – Concept in game theory
- Infraction
- Infrared telescope – Telescope that uses infrared light
- Inheritance tax – Tax paid after inheritance of property
- Instruction of Amenemope – Ancient Egyptian literary work
- Instructions of Shuruppak – Sumerian wisdom literature
- Integrating factor – Technique for solving differential equations
- Intel High Definition Audio – Specification for the audio sub-system of personal computers
- Intentional infliction of emotional distress – Tort in common law
- Intentional tort
- Interconnector – Structure enabling energy to flow between networks
- Interdictor – Type of attack aircraft
- Internal and external angles – Supplementary pair of angles at each vertex of a polygon
- International criminal law – Public international law
- International security – Measures taken by states and international organizations to ensure mutual safety and survival
- International taxation – Taxation between countries
- Internet linguistics – Domain of linguistics
- Interpretation (model theory) – Concept in model theory
- Interpretive discussion
- Interregnum (Holy Roman Empire) – Interval of disputed successions, 1245–1347
- Intersection graph – Graph representing intersections between given sets
- Iranian Intermezzo – 821–1090 period of native Iranian Muslim dynasties
- Irish cuisine – Culinary traditions of Ireland
- Irish revolutionary period – 1910s and 1920s in Ireland
- Ishvara – Hindu epithet
- Islamic Development Bank – Multilateral development financing institution located in Jeddah, Saudi Arabia
- Islamic music – Musical traditions of the Muslim world
- Islamic socialism – Socialism and the religion of Islam
- Israel Space Agency – Government space agency of Israel
- Israeli literature
- Istihsan – Islamic legal term for juristic discretion
- Jamaican cuisine – Culinary traditions of Jamaica
- Japanese pottery and porcelain – Overview of Japanese pottery and porcelain
- Japanese sculpture
- Jar – Rigid, approximately cylindrical container with a wide mouth or opening
- Jatiya Sangsad Bhaban – Parliament house of Bangladesh
- Jaʽfari jurisprudence
- Jellyfish as food
- Jersey Shore (TV series) – American reality television series
- Jewish Museum Berlin
- Jewish symbolism – Concepts in Judaism and the Jewish people
- Jiaozhou Bay Bridge
- Jiefang Daily – Chinese Communist Party newspaper
- Jock (stereotype) – Stereotype of an athlete
- Johor Sultanate – Sultanate of Johor
- Join and meet – Concept in order theory
- Joint product
- Journey from St. Petersburg to Moscow – 1790 novel by Alexander Radishchev
- Journey to the End of the Night – 1932 autofiction novel by Louis-Ferdinand Céline
- Juan de Pareja (Velázquez)
- Judas Maccabaeus (Handel) – Oratorio by George Frideric Handel
- Judicial system of Turkey
- Judith Slaying Holofernes (Artemisia Gentileschi, Naples) – 1612–13 painting by Artemisia Gentileschi
- Jumong (TV series) – 2006–2007 South Korean television series
- Jumpsuit – One-piece suit
- Kan extension – Category theory constructs
- Karush–Kuhn–Tucker conditions – Concept in mathematical optimization
- Karuṇā – Sanskrit term translated as compassion or mercy
- Kenmu Restoration – Period of Japanese history, 1333–1336
- Khajuraho Group of Monuments – Historical temples located in India
- Kingdom of Lunda – Former confederation of states
- Kingdom of Rarotonga – Kingdom in the present-day Cook Islands
- Kipchaks – Medieval Turkic nomadic tribe of Central Asia and Europe
- Kirundi – Bantu language of Burundi and adjacent states
- Knight, Death and the Devil – Engraving by Albrecht Dürer
- Kolmogorov structure function – Statistical function
- Kombat (photograph) – World War II photograph
- Komsomolskaya Pravda – Russian daily newspaper
- Kozarčanka – World War II photograph
- Kunsthaus Zürich – Art museum in Zürich, Switzerland
- Kurdish cuisine – Cuisine of the Kurdish people
- Kuṭṭaka – Mathematical algorithm
- Kwanyama dialect
- Kwong Wah Yit Poh – Malaysian Chinese daily newspaper
- Kyoto Municipal Subway – Rapid transit system in Kyoto, Japan
- L'Arlésienne (Bizet) – 1872 music by Georges Bizet to Alphonse Daudet's play
- L'Homme au doigt – Sculpture by Alberto Giacometti
- L'après-midi d'un faune (poem) – 1876 poem by Stéphane Mallarmé
- LGBT history in the United States
- LU decomposition – Type of matrix factorization
- La Bayadère – Ballet
- La Cucaracha – Spanish traditional folk song
- Laborer – Low-skilled or unskilled worker
- Lais of Marie de France – Series of Breton lais by the poet Marie de France
- Laksa – Spicy noodle dish from Southeast Asia
- Lamrim – Tibetan Buddhism textual form
- Lancelot-Grail – 13th-century French Arthurian literary cycle
- Landscape by Sesshū – Painting by Sesshū Tōyō
- Landscape design – Design profession
- Landscape photography – Photography genre
- Language complexity
- Language development – Process of language acquisition
- Language interpretation – Facilitating of oral or sign-language communication between users of different languages
- Language preservation – Efforts to save endangered languages
- Lantingji Xu – 4th century Chinese calligraphy
- Las Vegas culture (archaeology) – Large number of Archaic settlements
- Late Period of ancient Egypt – Period in ancient Egyptian history (c. 664 BCE–332 BCE)
- Later Three Kingdoms – Period of Korean history (889–936)
- Latin American culture
- Latin translations of the 12th century
- Lattice (group) – Periodic set of points
- Lavash – Flatbread
- Law clerk – Personal assistant and counsel to a judge
- Law commission – Independent organization set up by a government to reform the law
- Law enforcement organization
- Law firm – Business entity formed to practice law
- Law of Afghanistan
- Law of Belgium
- Law of Brazil
- Law of Denmark
- Law of Indonesia
- Law of Iraq
- Law of North Korea
- Law of Portugal
- Law of Romania
- Law of Sweden
- Law of Switzerland
- Law of Taiwan
- Law of Thailand
- Law of cosines – Property of all triangles on a Euclidean plane
- Lawyer-supported mediation
- Layamon's Brut – Middle English poem
- Layering – Plant propagation technique
- Le Sommeil – Painting by Gustave Courbet
- Le génie du mal – Religious sculpture by Guillaume Geefs
- Lebesgue integration
- Lech, Czech, and Rus – Slavic founding legend
- Lectio Divina – Traditional monastic practice
- Let me tell you (Abrahamsen) – Song cycle by Hans Abrahamsen
- Lexis (linguistics) – All the words in a language collectively
- Liability (financial accounting) – The value that a financial entity owes
- Liberators' civil war – 43–42 BC Roman war after Caesar's assassination
- Liberty Leading the People – Painting by Eugène Delacroix
- Lied – Art song in the classical music tradition
- Life stance – Person's relation with what they accept as being of ultimate importance
- Lifestyle magazine
- Limits of integration – Upper and lower limits applied in definite integration
- Line graph – Graph representing edges of another graph
- Linear dynamical system – Type of mathematical system
- Linearization – Finding linear approximation of function at given point
- Line–line intersection – Common point(s) shared by two lines in Euclidean geometry
- Lion of Venice – Statue
- Liquid fuel – Liquids that can be used to create energy
- List of literary movements – None
- Lists of legislation – None
- Lithophane – Backlit moulded thin porcelain artwork
- Live Earth – Organization
- Load following power plant
- Lojong – Contemplative Tibetan Buddhist practice
- Lomaum Dam – Dam in Angola
- Longchen Nyingthig – Scripture in Tibetan Buddhism
- Looking Back in Anger – Hong Kong television drama series
- Loss function – Mathematical relation assigning a probability event to a cost
- Lovász conjecture – Problem in graph theory
- Loyalist Teaching – Ancient Egyptian text
- Lu Zhishen – Water Margin character
- Luba-Katanga language – Language
- Lucky Jim – Novel by Kingsley Amis
- Luncheon of the Boating Party – Painting by Pierre-Auguste Renoir
- Luther Monument (Worms) – Monument to Martin Luther in Worms, Germany
- Luxembourg Gardens, Paris – Painting by Albert Edelfelt
- Lyon Metro – Rapid transit system in Lyon, France
- MALBA – Art museum in Buenos Aires, Argentina
- MTV Movie & TV Awards – Film and television awards show
- Mackerel as food – None
- Magician (supernatural)
- Magnitude (mathematics) – Property determining comparison and ordering
- Maitraka dynasty – Dynasty that ruled western India from c. 475 to 767
- Majeerteen Sultanate – 1600s–1927 northeastern Somali kingdom
- Major and minor – Musical concepts
- Makassan contact with Australia – Historical intergroup relations
- Malfeasance in office – Legal term for abuse of the power of an office
- Malgudi Days (TV series) – Indian television series started in 1980s
- Mali War – Armed conflict in Mali that started in January 2012
- Mandrake the Magician – Comic strip created by Lee Falk
- Many-one reduction – Type of Turing reduction
- Marie Claire – Monthly women's magazine
- Marine architecture – Branch of architecture focused on coastal, near-shore and off-shore construction
- Marine shrimp farming – Aquaculture of shrimp or prawns
- Marionette – Puppet controlled from above using wires or strings
- Maritime museum – Type of museum related to ships
- María la del Barrio – Mexican telenovela
- Master (judiciary)
- Matador (Danish TV series) – Danish TV series (1978–1982)
- Matching polynomial – Graph polynomial generating numbers of matchings
- Mathematical notation – System of symbolic representation
- Mau movement – Samoan political movement
- Maximum flow problem – Computational problem in graph theory
- Mechanical television – Television that relies on a scanning device to display images
- Media blackout
- Media event
- Media law
- Media monitoring – Activity of monitoring the output of the print, online and broadcast media
- Media psychology – Area of psychology
- Media strategy
- Medical humanities – Interdisciplinary field of study
- Medieval art – Art during the Middle Ages in Europe and beyond
- Medieval football – Football game played in Europe
- Medieval technology – Technology used in medieval Europe
- Medieval theatre – Theatrical performances in the Middle Ages
- MeerKAT – 64 antenna radio telescope. South Africa (launched 2018)
- Megabus (North America) – American commercial intercity bus service
- Melee weapon – Weapon used in direct hand-to-hand combat
- Memoirs of Hadrian – 1951 historical novel by Marguerite Yourcenar
- Memorial – Area or object which serves as a focus for memory or commemoration
- Memory (Cats song) – Song written for the 1981 musical "Cats"
- Mencius (book) – 4th-century BC Confucian text
- Menngagde – Division in Tibetan Buddhism and Bon
- Menshikov Palace (Saint Petersburg) – Building in Saint Petersburg, Russia
- Mentalism – Performing art in which practitioners appear to demonstrate exceptional mental abilities
- Merit order – Ranking of available sources of energy
- Merlion – Official mascot of Singapore
- Messe de Nostre Dame – Mass setting by Guillaume de Machaut
- Messenger bag – Bag with a long strap worn across the body
- Meta-communication – Communication about how information is meant to be interpreted
- Metaconstitution
- Metafunction
- Metal fabrication – Creation of metal structures
- Metaphysical naturalism – Philosophical worldview rejecting anything supernatural
- Metasyntax – Allowable structure and composition of phrases and sentences of a metalanguage
- Method of distinguished element – Method in enumerative combinatorics
- Mexican peso crisis – Economic crisis in Mexico
- Micro combined heat and power – Small-scale generation of heat and power
- Middle French – Historical variety of French used from the mid-14th century to the early 17th century
- Migration Period art – C. 300–900 Germanic and Hiberno-Saxon art
- Military aviation – Use of aircraft by armed forces in combat or other military capacity
- Military glider – Gliders used by the militaries of various countries
- Military history of Europe
- Mineral water – Drinking water from a mineral spring
- Minibike – Two-wheeled, motorized, off-highway recreational vehicle
- Mint julep – Cocktail
- Misdirection (magic) – Form of theatrical deception
- Missa Pange lingua – 1515 musical setting by Josquin des Prez
- Mito Kōmon
- Model complete theory – Concept in model theory
- Modernism (music) – Changes in musical form during the early 20th Century
- Modular programming – Software design technique
- Molecular cloning – Set of methods in molecular biology
- Momotarō – Popular hero of Japanese folklore
- Mondragon Corporation – Spanish cooperative federation
- Mongol conquest of Central Asia
- Monitor (synchronization) – Object or module in concurrent programming
- Monodrama – Piece performed by a single actor
- Monte Verde – Archaeological site in Llanquihue Province, Chile
- Moonrise, Hernandez, New Mexico – Famous black-and-white photograph taken by Ansel Adams in 1941
- Moral development – Emergence, change, and understanding of morality from infancy through adulthood
- Moral psychology – Field of study in both philosophy and psychology
- Mossi Kingdoms – Historical kingdoms in modern-day Burkina Faso
- Mossi language
- Motif (narrative) – Recurring element that has symbolic significance in a story
- Motor ship – Ship propelled by an internal combustion engine
- Motorcycle taxi – Form of transport
- Mountaintop removal mining – Type of surface mining
- Mudéjar architecture of Aragon
- Multi-booting – Act of installing multiple operating systems on a single computer
- Multi-commodity flow problem – Network flow problem (mathematics)
- Multigraph – Graph with multiple edges between two vertices
- Multiple cropping – Agricultural cropping system
- Multipole expansion – Mathematical series
- Municipal charter – Legal document establishing a municipality
- Museo Nacional de Arte – Art museum in Mexico City, Mexico
- Museo Rufino Tamayo, Mexico City – Public contemporary art museum
- Museo de la Nación – Museum in Peru
- Museology – Study of museums
- Music education – Field of study associated with the teaching and learning of music
- Music in advertising
- Music magazine – Magazine genre dedicated to music and music culture
- Music of Austria – None
- Music of Hawaii – None
- Music of Iran – None
- Music of Polynesia – None
- Music of Thailand – None
- Music of Vietnam – None
- Music psychology – Branch of both psychology and musicology
- Musical improvisation – Spontaneous musical composition or performance
- Musikverein – Concert hall in Vienna, Austria
- Musée des Arts et Métiers – Industrial design museum in Paris
- Mutually orthogonal Latin squares – Mathematical problem
- My Bed – 1998 artwork by Tracey Emin
- My Wife and My Mother-in-Law – Ambiguous image
- Mythology (book) – 1942 Edith Hamilton textbook
- Mémoires d'Outre-Tombe – Autobiography of François-René de Chateaubriand