silicic adjective. [sɪ'lɪsɪk] E19.
[from SILICA + -IC.]
Chemistry. Pertaining to, consisting of, or formed from silicon or silica.
silicic acid an oxyacid of silicon; esp. a weakly acidic colloidal hydrated form of silica made by acidifying solutions of alkali metal silicates.
Journal of Petrology Less silicic melts (such as dacites).

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