rock drill

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Definitions from WordNet

Noun rock drill has 1 sense

bore bit, borer, rock drill, stone drill - a drill for penetrating rock
--₁ is a kind of drill
--₁ has particulars: cross bit; star drill; straight flute, straight-fluted drill

Definitions from the Web

Rock Drill

Noun:

1. A tool or machine used for drilling or breaking rocks, typically powered by compressed air or electricity.

Example sentence: The construction workers used a rock drill to break through the tough rock formations.

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Verb:

1. To drill or break rocks using a rock drill.

Example sentence: The miners rock drilled through the hard granite to extract valuable minerals.

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