Fossil definitions

fŏs'əl
Of, having the nature of, or forming a fossil or fossils.
adjective
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Belonging to the past; unchanged by progress; antiquated.
adjective
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1
Characteristic of or having the nature of a fossil.
adjective
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1
Any rock or mineral dug out of the earth.
noun
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Being or similar to a fossil.
adjective
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1
Any hardened remains or imprints of plant or animal life of some previous geologic period, preserved in the earth's crust, including petrified wood and various resins.
noun
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1
Belonging to the past; antiquated.
adjective
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Anything fossilized or like a fossil.
noun
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1
A remnant or trace of an organism of a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust.
noun
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A person who is old-fashioned or has outmoded, fixed ideas.
noun
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1
One that is outdated or antiquated.

He was viewed as a fossil after decades in the same job.

noun
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The definition of a fossil is the preserved remains of a prehistoric organism or is slang for someone or something that is old and outdated.

An example of a fossil is the preserved remains from a prehistoric organism that have been preserved inside rock.

An example of a fossil is an old, rigid unchanging person who won't embrace new technology.

An example of a fossil is the Lucy fossil, the remains of the oldest (3.18 million years old) remains of a human being ever found, discovered in Ethiopia in 1974 by Doctor Donald Johanson.

noun
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The remains or imprint of an organism from a previous geologic time. A fossil can consist of the preserved tissues of an organism, as when encased in amber, ice, or pitch, or more commonly of the hardened relic of such tissues, as when organic matter is replaced by dissolved minerals. Hardened fossils are often found in layers of sedimentary rock and along the beds of rivers that flow through them.
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noun
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(paleontology) Any preserved evidence of ancient life, including shells, imprints, burrows, coprolites, and organically-produced chemicals.
noun
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A word or morpheme that is used only in certain restricted contexts, as kempt in unkempt, but is otherwise obsolete.
noun
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An archaic syntactic rule or pattern used only in idioms, as so be it.
noun
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(linguistics) A fossilized term.
noun
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(figuratively) Anything extremely old, extinct, or outdated.
noun
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Origin of fossil

From French fossile, from Latin fossilis (“something which has been dug up”), from fodio (“I dig up”).