coresample
nounUK /ˈkɔːsɑːmpəl/
US /ˈkɔːrsæmpəl/
A core sample is a long piece of rock or earth taken out of the ground to see what is inside.
The scientists used a drill to take a core sample from the ice.
RELATED WORDS
OTHER MEANINGS
2. A cylindrical piece of material removed from a larger object for testing.
They took a core sample from the concrete wall to check its strength.
3. A sample of ice drilled from a glacier used to study past climates.
The ice core sample showed tiny bubbles of ancient air.
4. A small amount of soil or rock collected to learn about the layers underground.
The core sample revealed layers of sand and clay.