| s | Greek lower case letter sigma; conductivity; cross section; millisecond; molecular type or bond; pop... |
|---|---|
| SMA | sequential multiple analysis or analyzer; sequential multichannel autoanalyzer; simultaneous multich... |
| SMB | selected mucosal biopsy; standard mineral base |
| SMP | slow moving protease; standard medical practice; submitochondrial particle; sulfamethoxypyrazine; sy... |
| SMSA | standard metropolitan statistical area |