fossil

The word “fossil” means the preserved remains or traces of an ancient plant or animal, usually turned to stone over time. In plain terms, the preserved trace of ancient life in rock, or informally, anything hopelessly out of date.

“Fossil” is pronounced FOSL (/ˈfɑsl̩/ in IPA).

Here is “fossil” used in a sentence: “The museum displayed a dinosaur fossil found in Montana.”

“Fossil” is a noun.

The word “fossil” comes from Latin. From Latin fossilis, "dug up," from fodere, "to dig" — fossils were originally just "things dug out of the ground.".

“Fossil” is a fairly common word in modern English, usually learned at around the C1 level.

“Fossil” has 2 distinct senses listed in this dictionary. The most common is: the preserved remains or traces of an ancient plant or animal, usually turned to stone over time.

A bone is fresh skeletal tissue from a recently living animal, while a fossil is the preserved remains or trace of an ancient organism, usually mineralized and turned to stone over long periods. Fossils can also include imprints, shells, or footprints, not just bones.

A fossil is the preserved remains or trace of an ancient plant or animal, typically formed in rock over time, while a relic is any surviving object from the past, often human-made or historical. Fossils are natural formations; relics are usually cultural.

Yes, informally. Calling someone or something a 'fossil' is a figurative way of saying they are extremely old-fashioned or out of date. Used this way it is usually mildly insulting.

A fossil is the preserved remains of a single ancient organism, while 'fossil fuel' refers to energy sources like coal, oil, and gas formed from the remains of many organisms over millions of years. The term borrows the 'fossil' idea of ancient, buried origin.