| SM | Master of Science; sadomasochism; self-monitoring; silicon microphysiometer; simple mastectomy; skim... |
|---|---|
| STEM | scanning transmission electron microscope; Society of Teachers of Emergency Medicine |
| STM | scanning tunneling microscope; short-term memory; streptomycin |
| TEM | transmission electron microscope/ microscopy; triethylenemelamine |
| UEM | universal electron microscope |