Hypertext Webster Gateway: "silicified"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Silicified \Si*lic"i*fied\, a. (Chem.)
Combined or impregnated with silicon or silica, especially
the latter; as, silicified wood.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Silicify \Si*lic"i*fy\, v. t. [imp. & p. p. {Silicified}; p. pr.
& vb. n. {Silicifying}.] [L. silex, silicis, a flint + -fy:
cf. F. silicifier.] (Chem.)
To convert into, or to impregnate with, silica, or with the
compounds of silicon.
The specimens found . . . are completely silicified.
--Say.
Note: The silica may take the form of agate, chalcedony,
flint, hornstone, or crystalline quartz.
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