A sulfoxide is a chemical compound containing a sulfur atom bonded to an oxygen atom.
Sulfoxides are important in chemistry and science.
Examples:
The sulfoxide is used in many chemical reactions.
I learned about sulfoxides in my chemistry class.
The scientist studied the properties of the sulfoxide.
The sulfoxide and the other chemicals had a party.
In the lab, they found a sulfoxide that was 100 times stronger than usual.
The sulfoxide helped make a new medicine.