What does PI stand for?

The list of PI abbreviation meanings.

Stands For|1.1kAbbreviated As|0Related|0
3
Patient Insurance
3
Pen and Ink(Technology)
3
Penetration Index
3
Pennsylvania Interscholastic
3
Pentamidine Isethionate
3
People's Initiative
3
Percentage Inhibition
3
Percutaneous Intervention
3
Peripheral Iridectomy
3
Peripheral Iridotomy
3
Persistently Infected(Medicine)
3
Personnel Identification
3
Pharmaceutical Inspection
3
Phosphorus Index
3
Phosphotyrosine interaction
3
Physical Identity
3
Physical Inventory(Technology)
3
Picker International
3
Plant Information System
3
Plasma Induced
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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>