1. A salt of silicic acid. 2. The term sometimes applied to dental restorations of synthetic porcelain.
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sil·i·cate 'sil-ə-.kāt, 'sil-i-kət n a salt or ester derived from a silicic acid esp any of numerous insoluble often complex metal salts that contain silicon and oxygen in the anion and constitute the largest class of minerals
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sil·i·cate (silґĭ-kāt) [L. silicus] a salt of any of the silicic acids.Medical dictionary. 2011.