What does PSI stand for?

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

We've found a total of 92 definitions for PSI:

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PSI

Proliferation Security Initiative

Miscellaneous » Unclassified

   
PSI

Pollution Standards Index

Miscellaneous » Unclassified

   
PSI

Professional Service Inc

Miscellaneous » Unclassified

   
PSI

Personal Security Investigation

Miscellaneous » Unclassified

   
PSI

Performance schema instrumentation

Miscellaneous » Unclassified

   
PSI

Pounds per Square Inch

Miscellaneous » Unit Measures

   
PSI

Probability, Statistics, and Inference

Academic & Science » Colleges & Universities

   
PSI

Personalized System of Instruction

Academic & Science » Colleges & Universities

   
PSI

Psychology Slander Intuition

Academic & Science » Colleges & Universities

   
PSI

Paranormal Studies Institute

Academic & Science » Colleges & Universities

   
PSI

Post Secondary Institution

Academic & Science » Colleges & Universities

   
PSI

Psychology Student Instructor

Academic & Science » Colleges & Universities

   
PSI

Parapsychology Studies Institute

Academic & Science » Colleges & Universities

   
PSI

Pollution Standard Index

Governmental » US Government

   
PSI

Public Subject Identifier

Governmental » US Government

   
PSI

Private Sector Involvement

Governmental » US Government

   
PSI

Pharmaceutical Society of Ireland

Medical » Veterinary

   

What does PSI mean?

psi(n.)
the 23rd letter of the Greek alphabet (Ψ, ψ).

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