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Mono-like silicon
Mono-like silicon, also called cast-mono or quasi-mono silicon, is photovoltaic silicon grown by directional solidification on monocrystalline seeds, combining mono-like efficiency with cheap multicrystalline casting.
Monocle
A monocle, also called a quizzing glass, is a single lens worn over one eye that became a symbol of aristocratic style in 19th-century Europe before falling out of favor after the World Wars.
Monocoque
Monocoque, or integral construction, is a structural design where the outer skin carries a vehicle's loads, pioneered in aviation by Eugène Ruchonnet's 1911 Cigare aircraft.
Monocore
A monocore is a circuit topology in BEAM robotics in which two bicores are coupled at one point instead of two, part of Mark Tilden's Nv nervous networks.
Monocrystalline silicon
Monocrystalline silicon, also known as mono-Si or c-Si, is silicon in the form of a single continuous crystal lattice, used as the absorbing semiconductor in most solar cells and grown mainly by the Czochralski process.
Monocular depth estimation
Monocular depth estimation is a computer vision method that predicts a dense per-pixel depth map from a single RGB image, typically with a neural network.
Monogram Technologies
Monogram Technologies was an Austin, Texas medical robotics company that developed the mBôs robotic system for knee replacement and was acquired by Zimmer Biomet in 2025.
Monohull
A monohull is a boat or ship whose buoyancy is provided by a single hull, the historical norm for vessels, as distinct from multihulls such as catamarans and trimarans, which use two or more hulls.
Monolayer MoS2 field-effect transistors
Monolayer MoS2 field-effect transistors are transistors whose conducting channel is a single atomic layer of molybdenum disulfide, a semiconductor about 0.7 nm thick with a direct bandgap near 1.8 eV.
Monolith Soft (株式会社モノリスソフト)
Monolith Soft (Monolith Software Inc.) is a Japanese video game developer founded in 1999, best known for the Xenoblade Chronicles series and wholly owned by Nintendo since 2007.
Monolithic 3D integration
Monolithic 3D integration is a semiconductor manufacturing method that stacks active transistor tiers sequentially on one wafer, connected by nanometer-scale vias far denser than the through-silicon vias of 3D packaging.
Monolithic architecture
Monolithic architecture is a software design model in which an entire application, including its interface, business logic, and data access, is built as a single codebase and deployed as one unit.
Monolithic kernel
A monolithic kernel is an operating system architecture in which all components, including device drivers and file systems, run as one program in kernel space, the design of traditional UNIX and Linux.
Monolithic microwave integrated circuit
A monolithic microwave integrated circuit (MMIC) is a semiconductor device on which transistors and passive components are fabricated together on a single substrate, typically gallium arsenide, operating from roughly 1 GHz to above 100 GHz.
Monomethylhydrazine
Monomethylhydrazine (MMH, CH₃NHNH₂) is a colorless, fuming, toxic liquid used as a storable hypergolic rocket fuel that ignites on contact with nitrogen tetroxide, powering spacecraft thrusters since Gemini and Apollo.
Monongah mining disaster
The Monongah mining disaster was a coal mine explosion on December 6, 1907, at the Fairmont Coal Company mines in Monongah, West Virginia, killing at least 361 miners.
Monongahela Power
Monongahela Power, commonly known as Mon Power, is an investor-owned electric utility headquartered in Fairmont, West Virginia, serving about 395,000 customers in 34 counties of northern and central West Virginia.
Monopile foundation
A monopile foundation is a single large-diameter steel tube driven into the seabed to support an offshore wind turbine, accounting for about 80 percent of installed offshore wind capacity worldwide.
Monopole antenna
A monopole antenna is a radio antenna consisting of one half of a dipole, typically a quarter-wave vertical wire mounted over a conducting ground plane, used in mobile communications and vehicle radios.
Monopulse radar
Monopulse radar is a tracking technique that determines a target's angular position, in two dimensions, from a single pulse by comparing signals received in simultaneous antenna beams.
Monorail
A monorail is a railway in which vehicles run on or hang from a single beam, usually elevated, in straddle or suspended forms, from airport shuttles to urban transit like the Wuppertal Schwebebahn.
Monorepo
A monorepo is a software-engineering practice in which multiple projects and shared libraries share a single version-control repository, used at scale by Google and Meta.
Monosemanticity
Monosemanticity is a property of a neural network unit, such as a single neuron, that consistently and exclusively encodes one interpretable concept, studied with sparse autoencoders.
Monospaced font
A monospaced font is a typeface in which every character takes the same fixed horizontal width, the defining feature of typewriter faces and the fonts used to display computer code.
Monotone (software)
Monotone is a free distributed version control system created by Graydon Hoare in 2002–2003, notable for SHA-1 content identifiers and cryptographic trust checks, and an influence on Git and Mercurial.
Monotype machine
The Monotype machine is a hot-metal typesetting system, patented by American engineer Tolbert Lanston in 1887, whose keyboard punches a paper tape a caster reads to cast individual types.
Monreale Cathedral
Monreale Cathedral (Duomo di Monreale) is a 12th-century Norman cathedral in Monreale, above Palermo in Sicily, built by King William II, with about 6,340 square meters of gilded mosaics.
Monroe Power Plant
Monroe Power Plant is a coal-fired power station in Monroe, Michigan, on Lake Erie, owned by DTE Electric and among the largest coal plants in the United States.
Monroe Spaght
Monroe Spaght was an American research chemist who led Shell Oil Company as president and CEO from 1961 to 1965 and as chairman until 1970.
Monster Jam
Monster Jam, also known as USHRA Monster Jam, is a live monster truck competition series promoted by Feld Entertainment, staging more than 250 events a year in stadiums and arenas.