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⇱ obturate - WordReference.com Dictionary of English

obturate

US:USA pronunciation: respellingUSA pronunciation: respelling(ob′tə rāt′, -tyə-)


WordReference Random House Unabridged Dictionary of American English © 2026
ob•tu•rate  (ob′tə rāt′, -tyə-),USA pronunciation v.t., -rat•ed, -rat•ing. 
  1. to stop up;
    close.
  2. Military[Ordn.]to close (a hole or cavity) so as to prevent a flow of gas through it, esp. the escape of explosive gas from a gun tube during firing.
  • Latin obtūrātus, past participle of obtūrāre to block, stop up
  • 1550–60
ob′tu•ra′tion, n. 
ob′tu•ra′tor, n. 

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