What does PI stand for?

The list of PI abbreviation meanings.

Stands For|1.1kAbbreviated As|0Related|0
15
Price Index
14
Plant Industry
14
Protease Inhibitors
14
Predictive Index
14
Project Inform
14
Past Issues
13
Poison Ivy
13
Politically Incorrect
13
Propriété Intellectuelle
13
Personal Income
13
Philippine Islands
12
Participating Institutions
12
Physical Layer
11
Paradise Island
11
Principal and Interest
11
Processing Instructions
11
Polytechnic Institute
10
Perimeter Institute
10
Plastic Injection
10
Privacy International
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APASmart Define. (2018). pi. Retrieved September 20, 2026, from http://smartdefine.org/pi/abbreviations/f
ChicagoSmart Define. 2018. "pi" http://smartdefine.org/pi/abbreviations/f (accessed September 20, 2026).
HarvardSmart Define 2018, pi, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/pi/abbreviations/f>.
MLASmart Define. "pi" 2 February 2018. Web. 20 September 2026. <http://smartdefine.org/pi/abbreviations/f>