0 present participle of fossilize
1 to become or to make something become a fossil (= something preserved in rock for a very long period):
The birds' bones are very fragile and tend to break down before they fossilize.
a fossilizing process in which wood is gradually replaced by silica
The assimilation is shown in the process by which the artist emphasizes similar behaviors that belong to different entities by fossilizing them in a form.
Not all eggs that end up fossilizing experience the death of their embryo beforehand.