- fossilization, fossilisation - the process of fossilizing a plant or animal that existed in some earlier age; the process of being turned to stone
--1 is a kind of natural process, natural action, action, activity
--1 has particulars: petrifaction, petrificationDerived form: verb fossilize1 - fossilization, fossilisation - becoming inflexible or out of date
--2 is a kind of passage, transition