silicificationWiktionary 原文构词拆分silica词根/词干+-ification后缀Forms nouns denoting the act or process whereby a subject becomes something else.词源说明From silica + -ification.释义（英文）名词 Noun(geology) Impregnation with silica; petrification.词族派生词（2）desilicificationbiosilicification