borehole

A hole bored into the ground to collect samples for analysis or to extract oil or water.

Japanese Meaning

地中に穿たれており、試料採取や油・水の抽出に用いられる穴

The geologists lowered a camera into the borehole to examine the soil layers.

地質学者たちは土層を調べるためにボーリング孔にカメラを下ろした。

Sense（1）

A hole bored into the ground to collect samples for analysis or to extract oil or water.

Extensive borehole information and tendered contract prices make these cost estimates much more plausible than earlier estimates.

boreholes

（ plural ）