dimethyl sulfoxide


Definition of dimethyl sulfoxide

: a compound C2H6SO obtained as a by-product in wood-pulp manufacture and used as a solvent and in medicine as an anti-inflammatory agent

called also DMSO

Examples of dimethyl sulfoxide in a Sentence

Recent Examples on the Web

For the electrolyte, the researchers used a mixture of organic chemicals that had been demonstrated in earlier work (1-ethyl-3-methylimidazolium tetrafluoroborate mixed with dimethyl sulfoxide). John Timmer, Ars Technica, "New lithium-air battery survives hundreds of cycles," 22 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dimethyl sulfoxide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of dimethyl sulfoxide

1964, in the meaning defined above

Keep scrolling for more

Learn More about dimethyl sulfoxide

Statistics for dimethyl sulfoxide

Look-up Popularity

Time Traveler for dimethyl sulfoxide

The first known use of dimethyl sulfoxide was in 1964

See more words from the same year

Keep scrolling for more

More Definitions for dimethyl sulfoxide

dimethyl sulfoxide


Medical Definition of dimethyl sulfoxide

: an anti-inflammatory agent (CH3)2SO used in the treatment of interstitial cystitis

called also DMSO

Comments on dimethyl sulfoxide

What made you want to look up dimethyl sulfoxide? Please tell us where you read or heard it (including the quote, if possible).


to be made up of

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!