Illustrated Glossary of Organic Chemistry

Silyl ether: An ether in which one of the atoms bonded to oxygen is a silicon atom instead of a carbon atom. Most commonly encountered as an alcohol protecting group.

Trimethylsilyl ether (TMS ether)		Tert-butyldimethylsilyl ether (tBDMS ether)		Tert-butyldiphenylsilyl ether (tBDPS ether)

Some silyl ethers of benzyl alcohol. The silyl groups are shown in red.