Hypertext Webster Gateway: "siliceous"
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) 1.7 (wn)
siliceous
adj : relating to or containing or resembling silica; "gritrock is
siliceous sandstone" [syn: {silicious}]
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