What does PI stand for?

The list of PI abbreviation meanings.

Stands For|1.1kAbbreviated As|0Related|0
10
Personal Identifier
10
Private Investigating
9
Pacific Islander
9
Power Integrations
9
Privacy Issues
9
Pacific Islanders
9
Parent Involvement
9
Petroleum Institute
9
Pleasure Island
8
Performance Improvements
8
Power Index
8
Partners International
8
Phase Inverter
7
Physically Impaired(Disability education, Educational and health)
7
Pig Iron
7
Plant Introduction
7
Profitability Index
7
Program Integrity
7
Public Interface
7
Public Involvement
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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>