| Abbreviation | Definition |
|---|---|
| SMTI | Science Mathematics Teacher Imperative |
| SMV | Symbolic Model Verifier |
| SMW | SubModular Welfare |
| SND | Standard Normal Deviation |
| SNF | Smith Normal Form |
| SNLT | Self Normalized Linear Test |
| SNTLN | Structured Non-linear Total least Norm |
| SOE | Stack Of Extents |
| SOFA | Save Our Forest Association |
| SOH | Sine equals Opposite over Hypotenuse |
| SOHCAHTOA | Sine Opposite Hypotenuse Cosine Adjacent Hypotenuse Tangent Opposite Adjacent |
| SOM | Second Order Monadic |
| SOMAS | School Of Mathematics And Statistics |
| SONATA | Systems Of Nearrings And Their Applications |
| SOP | Sum Of Products |
| SOR | Strong Outlier Rejection |
| SOR | Sum Of Ratios |
| SOS | Structural Operational Semantics |
| SOSC | Set Of Small Classes |
| SOSM | School of Science and Mathematics |