“+ noun
Etymology: cycl- + silicate
1. : a class of polymeric silicates sometimes considered a subclass of sorosilicates in which the silicon-oxygen tetrahedral groups are linked by sharing oxygen atoms so as to form rings containing 3, 4, or 6 silicon atoms and 9, 12, or 18 oxygen atoms respectively (as in benitoite or beryl) — called also ring-silicate ; compare inosilicate , nesosilicate , phyllosilicate , sorosilicate , tectosilicate
2. : any mineral belonging to the class of cyclosilicates