Like arthropods today, trilobites molted as they grew, shedding their old exoskeleton. These molts could fossilize, so one animal could leave several different sized fossils behind.
Source: tatoeba (6920725)
Ranked by relevance and common usage.
Keep "fossilize" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
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5 total sentences available.
Like arthropods today, trilobites molted as they grew, shedding their old exoskeleton. These molts could fossilize, so one animal could leave several different sized fossils behind.
Source: tatoeba (6920725)
Most of the booths had been scooped clean by the scalpel-sharp corner of the glacier in the crash. Three remained. Two of them were punctured and, inside, the once-human occupants had been fossilized into the walls by centuries upon centuries of patient ice.
Source: wiktionary
I was getting fossilised myself, but of late my stock of ideas has been very much enlarged.
Source: wiktionary
Ten layers of birthdays on a woman's head / Are apt to fossilize her girlish mirth.
Source: wiktionary
Showing 4 of 5 available sentences.
Closest matches include age, anneal, antiquate, become extinct, become obsolete.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.