| Abbreviation | Definition |
|---|---|
| SER | Suspension, Extended Release |
| SERM | Selective Estrogen Receptor Modulator |
| SERT | serotonin reuptake transporter |
| SERT | Special Equestrian Riding Therapy |
| SES | Swinging Eye Syndrome |
| SF | Sandals And Feet |
| SF | Spew Factor |
| SF | Spinal fluid |
| SF | Superior Feel |
| SFA | Superficial Femoral Artery |
| SFD | Small For Dates |
| SFEA | Sinus Floor Elevation and Augmentation |
| SFO | SubFornical Organ |
| SFP | Spinal fluid pressure |
| SFS | Subjective Facial Sensation |
| SFT | Solution Focused Therapy |
| SG | Same Generation |
| SG | Stern Gerlach |
| SGA | Small for Gestational Age |
| SGAD | Schweizerische Gesellschaft für Angst und Depression |