sulfonium
/sʌlˈfoʊniəm/
noun
- A positively charged ion (cation) containing sulfur bonded to three organic groups, used in organic chemistry and some industrial processes.
- Sulfonium ions play a role in some biological methylation processes.
- Sulfonium salts are used as reagents in certain chemical reactions.
- The chemist synthesized a new sulfonium compound for the experiment.