| Acronym | Definition |
|---|
| PTEF➣Polytetrafluoroethylene (chemistry) |
| PTEF➣Perry Township Education Foundation (Indiana) |
| PTEF➣Peak Tidal Expiratory Flow |
| PTEF➣Pine Tree Education Foundation (Longview, TX) |
| PTEF➣Power Tower Expanded Function (Server Technology, Inc.) |