The meaning of the Acronym MD is...

MD is

• Marshalled Deployability
• Missile Defense
• Maintenance Diagnostic
• Material Development
• Mobilization/Deployment
• More Death
• Multi Directional
• Most Dangerous
• Maintenance And Diagnostics
• Messy Desk
• More Damage
• McDonnell Douglas
• Mini-Disk
• Maniacal Dictator

More Meanings For MD:

• Machine Dependent
• Meta Data
• Mutable Dictionary
• Make a new Subdiretory
• MDCD Compressed file archive
• Management Domain
• Make Directory
• Multiplication Division
• Meta Directory
• Move Directory
• Multiple Device
• Memory Disk
• Mini-Disk
• Manufactured Diagnostics
• Mysterious Dude

MD is also in:

• Assembly
• Chat
• Databases
• DOS Commands
• File Extensions
• General
• Hardware
• Software