| Acronym | Definition |
|---|
| TRAS➣Ras Active Time |
| TRAS➣Temporary Registration Assessment Scheme (medical examination; Ireland) |
| TRAS➣Training Requirements Analysis System |
| TRAS➣Trans-Himalayan Aid Society (Canada; formerly Tibetan Refugee Aid Society) |
| TRAS➣Thrust Reverser Actuation System (aviation) |
| TRAS➣Transplant Renal Artery Stenosis (vascular complication) |
| TRAS➣Trent Regional Arthroplasty Study (UK) |
| TRAS➣Trouble Reporting and Accounting System |