| Acronym | Definition |
|---|
| MRAR➣Morningstar Risk-Adjusted Return (fund performance) |
| MRAR➣Mean Reciprocal Answer Rank |
| MRAR➣Midnight Rush Adventure Race (Trailblazers Adventure Racing Club) |
| MRAR➣Multi-Relational Association Rule (data mining) |
| MRAR➣Material Receiving Acceptance Report |