DICT.TW Dictionary Taiwan
silicified
矽化的
Si·lic·i·fied a. Chem. Combined or impregnated with silicon or silica, especially the latter; as, silicified wood.
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Si·lic·i·fy v. t. [imp. & p. p. Silicified p. pr. & vb. n. Silicifying ] 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.