@M03667@ material, exhibiting macroscopically uniform physical properties throughout its whole volume, that comprises a @CT07581@, a @HT07582@ or a @MT07287@.
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]