The meaning of the Acronym PAR is...

PAR is

• Photosynthetically Active Radiation

More Meanings For PAR:

• Parameter file ( Fractint)
• Parts application (Digitalk PARTS)
• Permanent output file
• Peer Assistance Review
• Pdb Atom Record
• PNNI Augmented Routing
• Privacy Act Release
• Parabolic Aluminum Reflector
• Photon Activity Rate
• Photosynthetically Active Radiation
• Photosynthetic Active Radiation
• Partially Absorbed or Reflected
• Parabolic Aluminum Reflector
• Participatory Action Research
• Plant A Row

PAR is also in:

• Amateur Radio
• Astronomy
• Botany
• Chemistry
• Farming
• File Extensions
• General
• Networking
• Physics
• Security
• Universities