si·li·ceous /səˈlɪʃəs/
  (a.)矽酸的,矽土的
  si·li·ceous /səˈlɪʃəs/ 形容詞
  硅質的,含硅的
  Si·li·ceous a.  Of or pertaining to silica; containing silica, or partaking of its nature. [Written also silisious.]
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  siliceous
       adj : relating to or containing or resembling silica; "gritrock is
             siliceous sandstone" [syn: silicious]