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obturate

[ ob-tuh-reyt, -tyuh- ]

verb (used with object)

, ob·tu·rat·ed, ob·tu·rat·ing.
  1. to stop up; close.
  2. Ordnance. to close (a hole or cavity) so as to prevent a flow of gas through it, especially the escape of explosive gas from a gun tube during firing.


obturate

/ ˈɒbtjʊəˌreɪt /

verb

  1. tr to stop up (an opening, esp the breech of a gun)
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Derived Forms

  • ˈobtuˌrator, noun
  • ˌobtuˈration, noun
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Other Words From

  • obtu·ration noun
  • obtu·rator noun
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Word History and Origins

Origin of obturate1

1550–60; < Latin obtūrātus, past participle of obtūrāre to block, stop up
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Word History and Origins

Origin of obturate1

C17: from Latin obtūrāre to block up, of obscure origin

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obtundedobtuse