| Acronym | Definition |
|---|
| SMSR➣Side-Mode Suppression Ratio (lasers) |
| SMSR➣Shaft Mounted Speed Reducer (machinery) |
| SMSR➣Sociedad Mexicana de Seguridad Radiológica (Mexican Radiation Safety Society) |
| SMSR➣Sierra Madre Search and Rescue |
| SMSR➣Single-Mode Suppression Ratio (fiber optics) |
| SMSR➣Special Mouse Stocks Resource (medical technology) |