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English definition of “fossil”

fossil

noun [C] (IN ROCK)    /ˈfɒs.əl/ US  /ˈfɑː.səl/
the shape of a bone, a shell, or a plant or animal that has been preserved in rock for a very long periodPalaeontology and fossils
(Definition of fossil noun (IN ROCK) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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