n. [ See Silicify. ] (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. [ 1913 Webster ]
a. (Chem.) Combined or impregnated with silicon or silica, especially the latter; as, silicified wood. [ 1913 Webster ]