Definition of dimethyl sulfoxide in English:

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dimethyl sulfoxide

Pronunciation: /dīˌmeTHəl səlˈfäksīd/
(chiefly British also dimethyl sulphoxide , abbreviation DMSO)


A colorless liquid used as a solvent and synthetic reagent. It is readily able to penetrate the skin and is used in medicinal preparations for skin application.
  • Chemical formula: (CH3)2SO.
Example sentences
  • The aim of this study is to explore the fascinating suggestion that structural differences can be induced in hypericin by changing the solvent from a commonly used solvent such as dimethyl sulfoxide to tetrahydrofuran.
  • The polar chemical dimethyl sulfoxide is a widely used reagent in cell biology.
  • Water insoluble compounds were given as a solution in dimethyl sulphoxide.

For editors and proofreaders

Syllabification: di·meth·yl sulf·ox·ide

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