cast fossil

noun

A fossil formed when an animal, plant, or other organism dies, its flesh decays and bones deteriorate due to chemical reactions; minerals gradually enter into the cavity, resulting in a cast, which is in the general form of the original organism.

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Meanings

nouncast fossil (plural cast fossils)

plural cast fossils

  1. A fossil formed when an animal, plant, or other organism dies, its flesh decays and bones deteriorate due to chemical reactions; minerals gradually enter into the cavity, resulting in a cast, which is in the general form of the original organism.
Cite this entry
APA

cast fossil. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cast%20fossil

MLA

“cast fossil.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cast%20fossil. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “cast fossil,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cast%20fossil.

Source: cast fossil on Wiktionary, CC BY-SA 4.0.