- Par, Cornwall , a town in Cornwall, England.
- "Par" , a classification measure of each hole on a golf course that reflects the distance between the tee and green.
- Par Value , financial term for the value of a security
- Parchive (give the filename ''.par''), a file containing recovery data used to fix other files, typically RAR files
- Par (command) (short for "paragraph"), the UNIX filtering command
- Par File a file extension for QuickPar files
may stand for:
- Parabolic Aluminumized Reflector , a type of floodlight
- Portuguese Association Of Ryerson , located in Toronto, Canada
- Positive_acknowledgment_with_re-transmission , a TCP/IP method of reliable data transmission
- Participatory Action Research , a research methodology
- Partido Aragonés ( Aragonese Party )
- Photosynthetically Active Radiation , a measurement of the amount of photosynthetically active wavelengths in light (in the range 400-700 nm).
- "Possible Allergic Reaction", a warning accompanying some E Number encodings for food additives
- Precision Approach Radar , a military instrument approach system.
- Pro Action Replay , a brand of expansion cartridges for various home video game consoles.
- Protease-activated Receptor , a cell receptor that is activated by cleavage
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