The meaning of the Acronym PN is...

PN is

• Planetary Nebulae

More Meanings For PN:

• Print Net
• Portable Network
• Petri Network
• Proclaim Name
• Planetary Nebulae
• Pressure Nominal
• Pseudo Noise
• PAL to NTSC conversion
• Pacific Northwest
• Primitive Notion
• Proton Neutron
• Proper Name
• Pottsie Nation
• Para Noid
• Pins Needles

PN is also in:

• Astronomy
• Chat
• Chemistry
• Electronics
• Funnies
• Geology
• Mathematics
• Networking
• Physics
• Software
• Unfiled
• Universities