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“silicates”
A salt or ester obtained from a silicic acid: Silicate is one of many insoluble, complex metal salts containing silicon and oxygen in the anion, and used in building materials, like cement and glass.
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“silicates”
A large group of minerals containing silicon and oxygen: Silicates are very common rocks, usually combined with one or more metals.
This entry is located in the following unit:
Astronomy and related astronomical terms
(page 23)