| Abbreviation | Definition |
|---|---|
| SSCP | Sums of Squares and Cross Products |
| SSD | Schwartz Sequential Dropping |
| SSD | Spatial Standard Deviation |
| SSD | Sum of Squares Distances |
| SSF | Split Step Fourier |
| SSF | State Space Form |
| SSLP | Simple Sequence Length Polymorphism |
| SSM | School of Sciences and Mathematics |
| SSM | Soft System Methodology |
| SSP | Scalar Sample Posterior |
| SSQ | Sums of SQuares |
| SSS | State Space Search |
| SSS | Side Side Side |
| SST | Sum of Squares Total |
| SSTA | Statistical Static Timing Analysis |
| SSTG | Semantic State Transition Graph |
| SSX | Sums of Squares for variable X |
| SSY | Sums of Squares for variable Y |
| ST | Subtraction Term |
| STD | Standard Deviation |