The meaning of the Acronym MSM is...

MSM is

• Manned Support Module

More Meanings For MSM:

• Multi-Session Monitor
• Media Streams Manager
• Multilayer Switch Module (Cisco)
• Multilayer Switch Module
• Mobile Station Modem
• Master of Science in Management
• Methyl Sulfonyl Methane
• Metal-Semiconductor-Metal
• Method of Simulated Moments
• Magnetospheric Specification Model
• Missouri School of Mines
• Material Science & Metallurgy
• Men who have Sex with Men
• MineSweeper, LCM conversion
• Miami Sound Machine

MSM is also in:

• Academic Degrees
• Adults
• Chemistry
• Electronics
• Firms
• General
• Mathematics
• Meteorology
• Networking
• Ship Types
• Telecom
• Universities