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blowout preventer Syllabification: blow·out pre·vent·er

Entry from US English dictionary

Definition of blowout preventer in English:


A heavy valve or assembly of valves fitted at the top of an oil well during drilling and closed in the event of a blowout.
Example sentences
  • The safety of oil drilling depends on the reliability of a blowout preventer.
  • There is now an ROV in the water 24/7, keeping careful watch over the relief well's blowout preventer.
  • You may have been the first person to detect a problem with that blowout preventer.
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