| SLAM | scanning laser acoustic microscope; systemic lupus erythematosus activity measure |
|---|---|
| SLIC | scanning liquid ionization chamber |
| SPAM | scanning photoacoustic microscopy |
| SR | sarcoplasmic reticulum; saturation recovery; scanning radiometer; screen; secretion rate; sedimentat... |
| STEM | scanning transmission electron microscope; Society of Teachers of Emergency Medicine |