| Abbreviation | Definition |
|---|---|
| PIAC | Patent Information Annual Conference |
| PIAC | Permanent International Altaistic Conference |
| PIC | International Conference |
| PICA | Power Industry Computer Applications Conference |
| PICL | Pacific Island Conference of Leaders |
| PICMET | Portland Industrial Conference on Management of Engineering and Technology |
| PICMET | Portland International Conference on Management of Engineering and Technology |
| PICO | Patient, Population or Problem; Intervention, Prognostic Factor Exposure; Comparison Intervention (if appropriate); Outcome you would like to measure or achieve |
| PIDC | Pacific Immigration Directors Conference |
| PIKM | Workshop for Ph.D. Students in Information and Knowledge Management |
| PILD | Public Issues Leadership Development |
| PIMRC | IEEE International Symposium on Personal Indoor and Mobile Radio Communications |
| PIMRC | International Symposium on Personal, Indoor, and Mobile Radio Communications |
| PIMRC | Personal Indoor and Mobile Radio Conference |
| PIMS | Pipeline Integrity Management Seminar |
| PIRC | Property Insurance and Restoration Conference |
| PISC | Provisioning Item Selection Conference |
| PISC | Purchasing and Ingredient Suppliers Conference |
| PISC | Purchasing Ingredient Suppliers Conference |
| PLANS | IEEE Position Location And Navigation Symposium |