Editing MSI (section)

==Science and technology==
* [[MSI Barcode]], a continuous numeric barcode symbology
* [[Microsatellite instability]], an abnormality of DNA
* [[Mass spectrometry imaging]], a technique used in mass spectrometry
* [[Mass sociogenic illness]], the rapid spread of physical symptoms of illness among the members of a group with no physical or infectious cause
* [[Magnetic source imaging]], magnetoencephalography combined with magnetic resonance imaging
* [[Multispectral imaging]], the capture of multiple, specific wavelengths in the electromagnetic spectrum
*[[Musculoskeletal injury]], damage of muscular or skeletal systems which is usually due to a strenuous activity

===Computing===
* .MSI, the filename extension of [[Windows Installer]] packages
* [[Medium Scale Integration]], a generation of integrated circuit chips which contain hundreds of transistors
* [[Message Signaled Interrupts]], a PCI 2.2 interrupt-mechanism
* [[MSI protocol]], a basic cache-coherence protocol used in multiprocessor systems