| Acronym | Definition |
|---|
| RREF➣Reduced Row-Echelon Form (mathematics) |
| RREF➣Row Reduced Echelon Form (matrix algebra terminology) |
| RREF➣Relative Resource Equity Formula |
| RREF➣Red River Expeditionary Force |
| RREF➣Radius of Reference |
| RREF➣Russian River Environmental Forum |