si·lic·i·fi·ca·tion /səˌlɪsəfəˈkeʃən/ 矽化; 矽化加固; 矽化作用
Si·lic·i·fi·ca·tion n. Chem. Thae act or process of combining or impregnating with silicon or silica; the state of being so combined or impregnated; as, the silicification of wood. ◄ ►