Definition of obturate in English:

obturate

Syllabification: ob·tu·rate
Pronunciation: /ˈäbt(y)əˌrāt
 
/

verb

[with object] formal or • technical
  • Block up; obstruct.
    More example sentences
    • Many of today's shooters have tried shooting these old rifles and experienced dismal results when the bullets failed to expand properly and obturate the bore.
    • When it's excessive like that we know that there wasn't even enough pressure to obturate the case at all.
    • This is an indication that pressure is so low the case is not obturating to completely seal the chamber.

Derivatives

obturation

Pronunciation: /-ˈrāSHən/
noun
More example sentences
  • On some projectiles, there is a nylon obturating band below the rotating band to help in forward obturation.
  • By placing that plastic ball in the hollow base of the Foster slug, concentric obturation of the slug in the bore is achieved.
  • The second component of this revolution was the reintroduction of breech-loading, made possible by improved technology and especially obturation.

Origin

mid 17th century: from Latin obturat- 'stopped up', from the verb obturare.

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