MPI

MPI or Mpi may refer to:

Science and technology

Magnetic particle imaging, a tomographic technique
Myocardial perfusion imaging, a medical procedure that illustrates heart function
Mannose phosphate isomerase, an enzyme
Mass psychogenic illness, the rapid spread of illness symptoms where there is no infectious agent
Master patient index, an index referencing all patients
Multidimensional Pain Inventory, a pain medicine assessment questionnaire

Marburg Picture Index, online database of photographs of artworks
Merchant plug-in, software used to prevent credit card fraud on e-commerce sites
Message Parsing Interpreter, a Lisp-like language on TinyMUCK
Message Passing Interface, a communications protocol for parallel computation
Multi-Point Interface, an automation programming protocol from Siemens
Multipath interference, a physical effect that causes signal degradation in communication systems
Multiple precision integer, a programming language type supporting arbitrary precision

Magnetic particle inspection, a method of detecting defects in ferrous materials
Multi point injection, fuel injection system for automobile engines
Maximum potential intensity, a meteorology term associated with tropical cyclones

Magnetic Peripherals Inc., a Control Data Corporation subsidiary renamed Imprimis and sold to Seagate Technology
Manitoba Public Insurance, a Crown corporation in Manitoba
Markov Processes International, a provider of investment research, analytics and technology
Materials Processing Institute, a company providing industrial R&D services based in the UK
Max Planck Institute, Germany
Migration Policy Institute, Washington, DC
Mihajlo Pupin Institute, Serbia
Ministry for Primary Industries, New Zealand
Ministry of Planning and Investment, Vietnam
Mission Pictures International, a foreign sales, finance, and distribution company
MotivePower, a locomotive manufacturer and rebuilder
Movimiento Pro-Independencia, the Puerto Rican Pro-independence Movement
Moving Picture Institute, an American non-profit organization and film production company
MPI Media Group, an American home entertainment company