The mineralized remains of an animal or plant. / (paleontology) Any preserved evidence of ancient life, including shells, imprints, burrows, coprolites, and organically-produced chemicals.

A small city, the county seat of Wheeler County, Oregon, United States.

(transitive) to make into a fossil / (intransitive) to become a fossil / (figuratively, by extension, intransitive) To become inflexible or outmoded.

simple past tense and past participle of fossilize

In a state of fossilization; preserved in rock / outmoded / (linguistics) having become a fossil: no longer productive

plural of fossilizer

That which causes or undergoes fossilization.

fossilized; converted into a fossil

(humorous or nonstandard) The quality of being a genuine fossil. / (humorous or nonstandard) Having qualities usually attributed to fossils, such as age combined with an absence of contemporary traits.

plural of index fossil