Definition of silicate noun from the Oxford Advanced American Dictionary

     

    silicate

     noun
    noun
    NAmE//ˈsɪləˌkeɪt//
     
    [countable, uncountable]
     
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  1. 1 (chemistry) any compound containing silicon and oxygen aluminum silicate
  2. 2a mineral that contains silica. There are many different silicates and they form a large part of the earth's crust.
See the Oxford Advanced Learner's Dictionary entry: silicate