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siliceous |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Siliceous \Si*li"ceous\, a. [L. siliceus, fr silex, silicis, a flint.] Of or pertaining to silica; containing silica, or partaking of its nature. [Written also {silisious}.] From WordNet r 1.6 [wn]: siliceous adj : relating to or containing or resembling silica; "gritrock is siliceous sandstone" [syn: {silicious}]
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