| MS | Maffuci syndrome; maladjustment score; mandibular series; Marfan syndrome; Marie-Strumpell [syndrome... |
|---|---|
| RC | an electronic circuit containing a resistor and capacitor in series; radiocarpal; reaction center; r... |
| SBS | shaken baby syndrome; short bowel syndrome; sick building syndrome; sinobronchial syndrome; small bo... |
| ser | series, serial |
| S | Greek capital letter sigma; syphilis; summation of series |