The meaning of the Acronym MSL is...

MSL is

• Missile
• Mechanical System(s) Laboratory
• Mean Sea Level
• Mars Science Laboratory

More Meanings For MSL:

• Model Specification Language
• Marvel Strategy Language
• Metrowerks Standard Library
• Modeler Scripting Language
• Master Subsidy Lock
• Moisture Sensitivity Level
• Modify System Logging
• Moisture Sensitivity Level
• Mean Sea Level
• Mean Sea Level
• Mew's Secret Land
• Mews Secret Land
• MineSweeping Launch
• Maximum Segment Lifetime
• Mids Sussex League

MSL is also in:

• Botany
• Electronics
• Funnies
• General
• Meteorology
• Ocean Science
• Ship Types
• Software
• Telecom
• Unfiled