| Acronym | Definition |
|---|
| PTSS➣Post Traumatic Stress Syndrome |
| PTSS➣Posttraumatische Stressstoornis (Dutch: Post Traumatic Stress Disorder) |
| PTSS➣Precision Tracking Space System (US DoD) |
| PTSS➣Precision Tracking Space Sensor (US DoD) |
| PTSS➣Post-Traumatic Symptom Scale |
| PTSS➣Postoperative Toxic Shock Syndrome |
| PTSS➣Procurement, Travel and Shipping Section (UN) |
| PTSS➣Public Telephone Switching System |