drillingsample

noun
UK /ˈdrɪlɪŋ ˈsɑːmpl/
US /ˈdrɪlɪŋ ˈsæmpl/

A small piece of rock or earth taken from deep in the ground by a drill.

The scientists studied the drillingsample to learn what the ground was made of.


OTHER MEANINGS

2. A sample of material collected by drilling into a surface for testing.

The engineers took a drillingsample from the bridge to check its strength.

3. A small amount of soil or ice drilled out to study the environment.

The drillingsample from the glacier showed layers of old snow.

4. A specimen obtained during drilling to check for oil, gas, or minerals.

The company examined the drillingsample before starting to dig.