The meaning of the Acronym PSN is...

PSN is

• Purge Sequence Number

More Meanings For PSN:

• PhotoSyNthesis
• Pre Sidedress Nitrate
• Preservation of Strong Normalization
• PlayStation Network
• Pro Sound News magazine
• Presentation file (Sound Script)
• Packet Switch Node
• Packet Switched Network
• Package Sequence Number
• Packet Switched Network
• Public Switched Network
• Personal Subscription Number
• Packet Switching Network
• Public Switched Network
• Purge Sequence Number

PSN is also in:

• Botany
• Chemistry
• File Extensions
• Mathematics
• Media
• Military
• NASA
• Networking
• Products
• Telecom