silicified


si·lic·i·fy

S0406000 (sĭ-lĭs′ə-fī′)v. si·lic·i·fied, si·lic·i·fy·ing, si·lic·i·fies v.tr. To convert into or impregnate with silica.v.intr. To become converted into or impregnated with silica.
si·lic′i·fi·ca′tion (-fĭ-kā′shən) n.