[ 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.

Origin of obturate

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

Other words from obturate

  • ob·tu·ra·tion, noun
  • ob·tu·ra·tor, noun

Words Nearby obturate

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British Dictionary definitions for obturate


/ (ˈɒbtjʊəˌreɪt) /

  1. (tr) to stop up (an opening, esp the breech of a gun)

Origin of obturate

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

Derived forms of obturate

  • obturation, noun
  • obturator, noun

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