What does PI stand for?
PI stands for Paducah & Illinois Railroad
This definition appears rarely and is found in the following Acronym Finder categories:
- Business, finance, etc.
See other definitions of PI
We have 126 other meanings of PI in our Acronym Attic
- [not an acronym] name for Greek symbol representing the ratio of the circumference of a circle to its diameter; approximately 3.1416
- Blood Clotting
- International Protocol
- Ionized Phosphorus
- Isoelectric Point (chemistry)
- Istiqlal Party (Independence Party, Morocco)
- Pacific Institute
- Pacific Internet (Internet Service Provider)
- Package Insert (medications)
- Packet Interface