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What does PI stand for? 

What does PI mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: PI.

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PI

Pen and Ink (Document Update)

Governmental » NASA

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PI

Perfectly Incomplete

Business » Companies & Firms

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PI

Performance Improved

Miscellaneous » Unclassified

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PI

Perfusion Imaging

Medical » British Medicine

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PI

Perlite Institute

Business » Professional Organizations

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PI

Personal Investigator

Miscellaneous » Unclassified

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PI

Petrol Injection

Business » Products

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PI

Phosphatidyl Inositol

Medical » British Medicine

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PI

Planetary Image

Miscellaneous » Unclassified

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PI

Police Informant

Governmental » Police

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PI

Prison Industries

Miscellaneous » Unclassified

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PI

Product It

Miscellaneous » Unclassified

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PI

Professionalism and Integrity

Business » General Business

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PI

Purchasing Instruction

Miscellaneous » Unclassified

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PI

Pacific Islander

Academic & Science » Genealogy

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PI

Package Insert

Governmental » FDA

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PI

Pain Intensity

Medical » British Medicine -- and more...

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PI

Pancreatic Insufficiency

Medical » British Medicine

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PI

Parallel Imports

Medical » British Medicine

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PI

Paramagnetic Insulator

Business » Products

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PI

Pars Intermedia

Medical » British Medicine

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PI

Payload Interrogator

Governmental » NASA

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PI

Payment Instrument

Business » Accounting

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PI

Pearl Index

Medical » British Medicine

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PI

Penal Interest

Business » Banking

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What does PI mean?

pi(noun)
the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...

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"PI." Abbreviations.com. STANDS4 LLC, 2019. Web. 18 Oct. 2019. <https://www.abbreviations.com/PI>.

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pi