boresample

noun
UK /ˈbɔːsɑːmpəl/
US /ˈbɔːrsæmpəl/

A boresample is a small piece of rock or soil taken from deep in the ground to see what is there.

The scientists pulled up a boresample to learn about the layers under the field.


OTHER MEANINGS

2. A sample taken from inside a borehole for testing.

They sent the boresample to the lab for analysis.

3. A small amount of material collected by boring into a surface.

The engineer examined a boresample from the bridge support.

4. A boring or dull example used in teaching.

The teacher gave a boresample of the problem to show the basic method.