Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

sulfoxide

play
noun sulf·ox·ide \ˌsəl-ˈfäk-ˌsīd\

Definition of sulfoxide

  1. :  any of a class of organic compounds characterized by an SO group with its sulfur atom having two bonds with carbon



Origin of sulfoxide

International Scientific Vocabulary


First Known Use: circa 1894


Medical Dictionary

sulfoxide

noun sulf·ox·ide

Medical Definition of sulfoxide

  1. :  any of a class of organic compounds characterized by a sulfinyl group with its sulfur atom having two bonds with carbon



Variants of sulfoxide

or chiefly British sulphoxide \ˌsəl-ˈfäk-ˌsīd\play

Learn More about sulfoxide


Seen and Heard

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

WORD OF THE DAY

the Celtic May Day festival

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

maudlin prompt oily angry
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ