MPL
MPL may refer to:
Astronomy and science
- Magnetic Path Length – the length of the closed magnetic path loop usually inside some inductor or transformer core made of ferromagnetic material.
- Mars Polar Lander
- Max Planck Institute for the Science of Light
- Maximum parcel level – level in atmosphere where convective plume stops after reaching its level of neutral buoyancy
- Monophosphoryl lipid A - a derivative of the lipid A molecule found in the membrane of Gram-negative bacteria
- MPL (gene), that encode the myeloproliferative leukemia protein, thrombopoietin receptor
- Medial Patellar Luxation (MPL) in the canine
- Multi-photon lithography
Companies
- MPL Communications - (Paul) McCartney Productions Limited, a music publisher
- Manipal Press Limited
- Managing Partners Limited - a multi-disciplined investment company based in London, United Kingdom
- MPL Graphics - advertising company, Vaasa, Finland
Computing
- Mathematical Programming Language - MPL Modeling System
- Messenger Plus! Live - a freeware add-on for Windows Live Messenger
- Mozilla Public License
- Microsoft Public License, an open source license offered by Microsoft as part of its Shared source initiative.
- Microsoft Permissive License, an earlier name for the Microsoft Public License
- Boost Metaprogramming Library
- MicroProgramming Language. 1971: "The first high level microprogramming language". Syntax similar to PL/I. For vertical machines.
- Midi Programming Language - MPL is a tool to make changes to MIDI files in batch and real time.
- Maruti Programming Language, syntax based in the C programming language. Developed for the Maruti [real-time] [operating system].
- .mpl - a file extension to indicate a Maconomy print layout file.
- .mpl - a file extension used to indicate an Embperl module.
- An early possible name for PL/I - [Sammet 1969, p.542].
Economy
- MPL, in economics is the Marginal product of labor (marginal product of labor)
Firearms
- The Walther MP (Machine Pistol), a series of 9x19mm Parabellum submachine guns produced in Germany by Walther from 1963 to 1987.
Libraries
Literature
- MPL (subtitle format)
- The Patrologia Latina, an enormous collection of early (mostly ecclesiastical) manuscript sources, compiled in the 19th Century by Migne (thus, "Migne: Pat. Lat." = "MPL")
Museums
- Museum Puri Lukisan
Sport
- Messenger Premier League
- Mexican Paintball League
- Mexican Pacific League
- Miyazaki Phoenix League
Transportation
- The Minnesota Prairie Line Railroad, a shortline railroad operating in Central Minnesota
- The IATA airport code for Montpellier-Méditerranée Airport, Montpellier, France
- The Multi-crew pilot license, a new ab initio airline training programme
- Marple railway station, England; National Rail station code MPL.