Silicify v. t. (past & past part. silicified; pres. part. silicifying) (Chem.) To convert into, or to impregnate with, silica, or with the compounds of silicon. "The specimens found... are completely silicified." Note: The silica may take the form of agate, chalcedony, flint, hornstone, or crystalline quartz.
Collaborative International Dictionary of English 0.48
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