English Expression · Intermediate
drill rig
An oil rig
Pronunciation: say drill rig
Meaning
A machine used for boring holes in the ground, such as for oil, gas, or water extraction.
Example
In sandy strata, 7 to 9 inches diameter holes are drilled with a percussion type drill rig.
In sandy strata, 7 to 9 inches diameter holes are drilled with a percussion type drill rig.
Practice tips
- Practice drill rig out loud — read the pronunciation guide above and repeat.
- Use it in your own sentence today; reuse beats rereading.
- Pay attention to context: this English expression is for intermediate-level learners.