sil·i·cate (sĭlĭ-kāt′, -kĭt)
1. Any of numerous compounds containing silicon, oxygen, and one or more metals; a salt of silicic acid.
2. Any of a large group of minerals, forming over 90 percent of the earth's crust, that consist of SiO2 or SiO4 groupings combined with one or more metals and sometimes hydrogen.
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Indo-European & Semitic Roots Appendices
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