The meaning of the Acronym NM is...

NM is

• No Management
• New Memo

More Meanings For NM:

• No Mark
• Normal Mode
• No Monitor
• No Memory
• Networked Media
• Nothing Much
• Names
• No Message
• New Messages
• Never Mind
• Never Married
• Nothing Much
• Not Much
• Not Modulated
• Northern Maple

NM is also in:

• Amateur Radio
• Assembly
• Botany
• Chat
• General
• Networking
• SMS
• Unix Commands