di·meth·yl·sulf·ox·ide 
(dī-mĕth′əl-sŭl-fŏksīd′)
(dī-mĕth′əl-sŭl-fŏksīd′)n.
DMSO.
- serologically
- serologist
- serology
- seronegative
- seropositive
- seropositivity
- seropurulent
- Seroquel
- serosa
- serosal
- serositis
- serotherapist
- serotherapy
- serotine
- serotinous
- serotiny
- serotonergic
- serotonin
- serotoninergic
- serotonin-norepinephrine reuptake inhibitor
- serotype
- serous
- serous fluid
- serous membrane
- serovar