Compounds in which every silicon atom is linked to three oxygen atoms and every oxygen atom is linked to two silicon atoms, and having the general formula (SiH)2nO3n
. By extension hydrocarbyl derivatives are commonly included.
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1366 (https://doi.org/10.1351/pac199567081307)