fos·sil·ize also Brit fos·sil·ise 
/ˈfɑ:səˌlaɪz/ verb
fos·sil·iz·es; fos·sil·ized; fos·sil·iz·ing /ˈfɑ:səˌlaɪz/ verb : to become a fossil or to cause (something) to become a fossil [no obj] ▪ Few animals ever fossilize. [+ obj] ▪ The mud helped to preserve and fossilize the wood.
— fos·sil·i·za·tion also Brit fos·sil·i·sa·tion /ˌfɑ:sələˈzeɪʃən, Brit ˌfɒsəˌlaɪˈzeɪʃən/ noun [noncount]
/ˌfɑ:sələˈzeɪʃən, Brit ˌfɒsəˌlaɪˈzeɪʃən/ noun [noncount]
