sulfoxide

[ suhl-fok-sahyd ]

nounChemistry.
  1. a brown liquid, C18H28O3S, insoluble in water, used as an insecticide synergist.

  2. any of the compounds with the radical =SO, as dimethyl sulfoxide, (CH3)2SO.

Origin of sulfoxide

1
First recorded in 1890–95; sulf- + oxide

Words Nearby sulfoxide

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024