The meaning of the Acronym RM is...

RM is

• River Mile
• Retained Mode

More Meanings For RM:

• Realaudio Audio File
• Raster Manager
• Read Mode
• Run Mode
• Reserve Memory
• Remote Manageability
• Raden Mas
• Resource Management
• remove
• Render Monster
• Remove Monte
• Rescue Me
• Room
• Remove Means
• Regular Matrix

RM is also in:

• File Extensions
• Funnies
• General
• Networking
• Software
• Telecom
• Unfiled
• Unix Commands
• USPS