Definition of "polysilicic" []

• (chemistry) Of or pertaining to any polymer of silicic acid (adjective)

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• "What is meant by the term polysilicic acid, as used in the discussion of aluminium silicates?"
• "~ One of the most common constituents of rocks is feldspar (KAlSi_ O_ ), a mixed salt of potassium and aluminium with the polysilicic acid (H_ Si_ O_ )."