The Collaborative International Dictionary
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.
Silicify \Si*lic"i*fy\, v. i. To become converted into silica, or to be impregnated with silica.
Wiktionary
vb. 1 (context transitive English) to impregnate something with silica 2 (context intransitive English) to be impregnated with, or converted into silica
Usage examples of "silicify".
Thirteen hundred miles away, in central Burma, the deposits cut by the Irrawaddy river reach 10,000 feet and contain a comparable variety, along with hundreds of thousands of entire trunks of silicified trees.
Darwin found silicified trees on the same slope of the Andes as the Uspallata Pass.
Only silicified bone and teeth would remain, if anything of him at all could be salvaged from Hellsmouth.
She agreed with the rangers: Nothing of Feydor Dorphmann would ever be found here, and what little of him that might be coughed up would quickly be covered over by layers of silicified mud and rock, in which case the only way to recover his skull or teeth or bones would be to launch a bizarre archaeological dig here.
The Pliocene, on the other hand, is of freshwater origin, and contains silicified wood and numerous remains of Mammalia.
The tiponi is a ceremonial object about 18 inches long, consisting of feathers set upright around a small disk of silicified wood, which serves as its base when set upon the altar.
Near Weymouth, in the well-known dirt beds, are found trees with their silicified trunks growing up in the position of nature, and their roots embedded in the soil on which they grew.
Pretty soon he is dodging attempts to silicify him and the cop beside him, and the line of evidence is pointing.
The silicified wood varies widely in hue from black or white through red, yellow, tawny, brown, and sometimes pink.