Definition of obturate in English:

obturate

verb əbˈtjʊəreɪt

[with object]technical

Block up; obstruct.
〈正式或技〉闭塞，阻隔
Example sentencesExamples
- The idea behind the hollow base was to make it easy for the bullet to obturate and fully engrave the rifling at the very low pressures involved.
- 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.
- The Foster slugs have very shallow rifling and since these slugs obturate in shotgun bores, most of these grooves are ironed out in the process.
- 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

noun

technical

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

Origin

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

Definition of obturate in US English:

obturate

verbˈɑbt(j)əˌreɪtˈäbt(y)əˌrāt

[with object]technical

Block up; obstruct.
〈正式或技〉闭塞，阻隔
Example sentencesExamples
- 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.
- The idea behind the hollow base was to make it easy for the bullet to obturate and fully engrave the rifling at the very low pressures involved.
- 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.
- The Foster slugs have very shallow rifling and since these slugs obturate in shotgun bores, most of these grooves are ironed out in the process.

Origin

Late 16th century (as obturation): from Latin obturat- ‘stopped up’, from the verb obturare.

词汇	obturate
释义	Definition of obturate in English: obturate verb əbˈtjʊəreɪt [with object]technical Block up; obstruct. 〈正式或技〉闭塞，阻隔 Example sentencesExamples The idea behind the hollow base was to make it easy for the bullet to obturate and fully engrave the rifling at the very low pressures involved. 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. The Foster slugs have very shallow rifling and since these slugs obturate in shotgun bores, most of these grooves are ironed out in the process. 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 noun technical On some projectiles, there is a nylon obturating band below the rotating band to help in forward obturation. Example sentencesExamples The second component of this revolution was the reintroduction of breech-loading, made possible by improved technology and especially obturation. By placing that plastic ball in the hollow base of the Foster slug, concentric obturation of the slug in the bore is achieved. Origin Mid 17th century: from Latin obturat- 'stopped up', from the verb obturare. Definition of obturate in US English: obturate verbˈɑbt(j)əˌreɪtˈäbt(y)əˌrāt [with object]technical Block up; obstruct. 〈正式或技〉闭塞，阻隔 Example sentencesExamples 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. The idea behind the hollow base was to make it easy for the bullet to obturate and fully engrave the rifling at the very low pressures involved. 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. The Foster slugs have very shallow rifling and since these slugs obturate in shotgun bores, most of these grooves are ironed out in the process. Origin Late 16th century (as obturation): from Latin obturat- ‘stopped up’, from the verb obturare.
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