| Abbreviation | Definition |
|---|---|
| MRHS | Mill Reject Handling System |
| MRP | Most Remote Point |
| MRRD | Ministry Of Rural Reconstruction And Development |
| MRRR | Ministry of Rehabilitation Reintegration and Reconstruction |
| MS4 | Municipal Separate Storm Sewer System |
| MSBG | Minnesota Sustainable Building Guidelines |
| MSCE | Master of Science in Civil Engineering |
| MSDS | Material Safety Data Sheet |
| MSHA | Mine Safety and Health Administration |
| MSSS | Multi-Span Simply Supported |
| MT | Modes of Transport; |
| MTBC | Mechanical Trades Bargaining Committee |
| MUA | Make Up Air |
| MUC | Mud Under Construction |
| MUF | Melamin Urea Formaldehyde |
| MVMA | Masonry Veneer Manufacturer’s Association |
| MW | Mineral Wool |
| N.E. | Northeast |
| N.W. | Northwest |
| NACT | North American Construction Technology |