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drilling

/ˈdɹɪlɪŋ/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about drilling at Wordnik → Where our words come from →

  1. The act of drilling.
  2. The act of drilling a hole in the earth in the hope of producing petroleum.

Origin

From drill + -ing.

From Wiktionary, via Kaikki.org (CC BY-SA)