fossil

//ˈfɒs.əl//
B2Frequency Level 9Neutral
Visual representation of fossil

Noun

fossilSingular
fossilsPlural
1

The preserved remains or impression of a prehistoric organism embedded in rock or other geological material.

Scientists discovered a dinosaur fossil in the desert.

2

An outdated or old-fashioned person or thing.

My grandfather says he's a fossil when it comes to technology.

Adjective

fossilCanonical form
1

Relating to or denoting fuel formed from the remains of prehistoric organisms, such as coal, oil, or natural gas.

Many countries are trying to reduce their dependence on fossil fuels.