Noun | 1. | fossilization - the process of fossilizing a plant or animal that existed in some earlier age; the process of being turned to stone natural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity" petrifaction, petrification - the process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape |
2. | fossilization - becoming inflexible or out of date passage, transition - the act of passing from one state or place to the next |