- to convert or be converted into silica: silicified wood
WordReference Random House Unabridged Dictionary of American English © 2026
si•lic•i•fy
(sə lis′ə fī′),USA pronunciation v.t., v.i., -fied, -fy•ing.
si•lic′i•fi•ca′tion, n.
- Chemistry, Mineralogyto convert or be converted into silica.
- silic(a) + -ify 1820–30
Collins Concise English Dictionary © HarperCollins Publishers::
silicify /sɪˈlɪsɪˌfaɪ/ vb ( -fies, -fying, -fied)