A lot vs. Alot: 9 Grammatical Pitfalls
sulfone sul·fone (sŭl'fōn')
Any of various organic sulfur compounds having a sulfonyl group attached to two carbon atoms, especially such a compound formerly used as a drug to treat leprosy or tuberculosis.
any of a family of organic sulfur compounds in which two carbon-containing combining groups are linked to the group SO2. The best known members of the family are the polysulfone (q.v.) resins and several drugs used in the treatment of leprosy.