fossilize
verb
[ ˈfɒs(ə)lʌɪz ]
• preserve (an animal or plant) so that it becomes a fossil.
• "the hard parts of the body are readily fossilized"
Similar:
petrified,
ossified,
lapidified,
archaic,
antiquated,
antediluvian,
old-fashioned,
quaint,
outdated,
outmoded,
behind the times,
anachronistic,
stuck in time,
prehistoric,
antwacky,
