### We've got **159** definitions for **PI** »

# 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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Term |
Definition |
Rating |

PI | 3.1415926535 | |

PI | Pacific Islander | |

PI | Package Insert | |

PI | Packet Interface | |

PI | Paducah and Illinois Railroad | |

PI | Page Impression | |

PI | Pages In | |

PI | Pain Intensity | |

PI | Pancreatic Insufficiency | |

PI | Par Interim | |

PI | Parallel Imports | |

PI | Paramagnetic Insulator | |

PI | Paranormal Investigator | |

PI | Parent Involvement | |

PI | Pareto Improved | |

PI | Parity Inner | |

PI | Pars Intermedia | |

PI | Participating Informant | |

PI | Partnership for Innovation | |

PI | Paternity Index | |

PI | Path Identification | |

PI | Path Identifier | |

PI | Patient Initials | |

PI | Patternology International | |

PI | Payload Interrogator |

#### 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. 22 Oct. 2019. <https://www.abbreviations.com/PI>.