| Abbreviation | Definition |
|---|---|
| SSC | stromal stem cell |
| SSC | student selected components |
| SSC | superior semicircular canal |
| SSC | systemic scleroderma |
| SSC | systemic sclerosis |
| SSCF | Safer and Stronger Communities Fund |
| SSD | scleroderma spectrum disorders |
| SSD | segmental spinal dysgenesis |
| SSD | sexual size dimorphism |
| SSD | silver sulphadiazine |
| SSD | single sided deafness |
| SSD | single-strand damage |
| SSD | Social Services Department |
| SSD | speech-sound discrimination |
| SSD | steroid sulphatase deficiency |
| SSD | sterol-sensing domain |
| SSD | succinate semialdehyde dehydrogenase |
| SSD | systemic scleroderma |
| SSDP | Strategic Service Development Plan |
| SSfH | Secretary of State for Health |