Biology, ecology, and medicine • Macrophage-stimulating protein, a protein that in humans is encoded by the
MST1 gene •
Major sperm protein, the most abundant protein in nematode sperm •
Marine spatial planning, a process of making decisions about sustainable use of marine resources •
Merozoite surface protein, used in malaria research •
Methylation-specific PCR, a method for detecting methylated DNA sequence •
Multiple sex partners, engaging in sexual activities with two or more people
Computing and information technology •
Max/MSP, max signal processing •
Message Send Protocol, an application-layer computing protocol used to send a short message between networking nodes on a computer network •
Message Submission Program or smmsp in Sendmail e-mail systems •
Microsoft Installer Patch Files, files downloaded from updating applications installed with Microsoft Installer and which have the .msp file extension •
Microsoft Points, the currency used on the Xbox Live and Zune marketplaces •
Microsoft Project, a project-management software program developed and sold by Microsoft •
Microsoft Student Partners, an organization of university students interested in careers in technology and showing a willingness to help others learn about Microsoft technology •
Microsoft Surface Pro •
Minimum spanning tree, a graph theory problem •
MSP (file format), a pre-bmp picture format readable in the oldest versions of Microsoft Paint •
TI MSP430, a mixed-signal microcontroller family from Texas Instruments
Other uses in science and technology •
Mechanically separated poultry, a paste-like meat product • Micro-
spectrophotometer, an instrument used to measure the UV, visible, and near-infrared spectra of microscopic objects •
Millisecond pulsar, in astronomy, a pulsar with a rotational period in the range of 1-10 milliseconds •
Mineral separation plant, a processing plant for heavy minerals •
Monosodium phosphate, a chemical compound of sodium with a phosphate counterion •
MSP Groza silent pistol, a double-barreled firearm designed in the Soviet Union in 1972 ==Other uses==