| Acronym | Definition |
|---|
| PTAT➣People Talking About This (Facebook) |
| PTAT➣Proportional to Absolute Temperature (electronic circuit transistor biasing) |
| PTAT➣Primetime Anytime (recording) |
| PTAT➣Private Trans-Atlantic Telecommunications |
| PTAT➣Pesticides, Toxics and Air Team |
| PTAT➣Physical Therapy Assisting Technology (education) |
| PTAT➣Pharmacy Technician Assessment Test |