| Acronym | Definition |
|---|
| MRAT➣Medical Radiobiology Advisory Team (US FEMA) |
| MRAT➣Multidimensional Requirements Analysis Tool (software) |
| MRAT➣macroreentrant atrial tachycardia |
| MRAT➣Medical Reasoning Aptitude Test (medical school entrance exam) |
| MRAT➣Medium Range Anti-Tank Missile |