| Abbreviation | Definition |
|---|---|
| SKW | Smart Kinetic Walk |
| SL | Super Lattice |
| SL | Super Linear |
| SLA | Stereolithography |
| SLC | Slit Loss Correction |
| SLM | Single Longitudinal Mode |
| SLM(s) | spatial light modulator(s) |
| SLS | Selective Laser Sintering |
| SLS | Single Light Source |
| SMBI | Supersonic Molecular Beam Injection |
| SMINO | Sistema Monitoraggio Italia Nord Orientale |
| SMKW | Secondary Magneto- Kinetic Wave |
| SMM | Statistical Multifragmentational Model |
| SMP | School of Mathematics and Physics |
| SMS | Spectral Modeling Synthesis |
| SMSI | strong metal support interaction |
| SMYS | Specified Minimum Yield Strength |
| SMZ | Strong Measure Zero |
| SN | Self Normalizing |
| SNIM | Spectrometer for Neutron Studies of Condensed Matter in a Pulsed Magnetic Field |