- 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.
Origin of DMSO
1960–65; d(i)m(ethyl) s(ulf)o(xide)
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Dimethyl sulfoxide; a colorless hygroscopic liquid obtained from lignin, used as a penetrant to convey medications into the tissues.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.