- dimethyl sulfoxide: a liquid substance, C2H6OS, used in industry as a solvent and paint and varnish remover; proposed as an analgesic and anti-inflammatory in musculoskeletal disorders.
abbreviation for
- dimethylsulphoxide
n.
- Dimethyl sulfoxide; a colorless hygroscopic liquid obtained from lignin, used as a penetrant to convey medications into the tissues.