Polymer or @P04742@ with a @S05708@ comprised only of carbon but which has side-groups that include inorganic components.
Source: PAC, 2007, 79, 1801. (Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)) on page 1816 [Terms] [Paper]