| Abbreviation | Definition |
|---|---|
| SDB | Sleep Disordered Breathing |
| SDD | Sterile Dry Dressing |
| SDDS | Sudden Drool Deprivation Syndrome |
| SDF | Synchronous Diaphragmatic Flutter |
| SDH | SubDural Hematoma |
| SDK | Skin Development Kit |
| SDP | solvent/detergent-treated plasma |
| SDR | Selective Dorsal Rhyzotomy |
| SDS | Sudden death syndrome |
| SDSS | Signs Of Depression Screening Scale |
| SDV | Single- Dose Vial |
| SE | Spongiform Encephalopathy |
| SE | Sport Enhancement |
| SE | Squamous Epithelium |
| SE | Status Epilepticus |
| SE | Sub-Epidermal |
| SEAD | Shear Enhanced Anaerobic Digestion |
| SEAD | Support And Education For Alzheimer Disease |
| SEAFMD | Southeast Asia Foot and Mouth Disease |
| SEC | Series Elastic Component |