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- Dictionaryfossil/ˈfɒsl/
noun
- 1. the remains or impression of a prehistoric plant or animal embedded in rock and preserved in petrified form: "sites rich in fossils"
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noun
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A fossil is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood and DNA remnants. The totality of fossils is known as the fossil record. Though the fossil record is incomplete, numerous studies have demonstrated that ther... Wikipedia