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obturation

Definitions

from The Century Dictionary.

  • noun The act of closing or stopping up, or the state or condition of being obstructed or closed.
  • noun Specifically, in gunnery, the act of closing a hole, joint, or cavity so as to prevent the flow of gas through it: as, the obturation of a vent, or of a powder-chamber. See fermeture, gas-check, obturator.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act of stopping up, or closing, an opening.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The act of stopping up, or closing, an opening.
  • noun firearms The process of a bullet expanding under pressure to fit the bore of the firearm, or a cartridge case expanding under pressure to seal the chamber.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin obturare to stop up: compare French obturation.

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Examples

  • The obturation is a modification of the De Bange system, proposed by Vavasseur.

    Scientific American Supplement, No. 586, March 26, 1887 Various

  • This helps achieve "concentric obturation" of the slug, which is what engineers say when they mean that the slug expands to seal in the bore without becoming misshapen and off-centered.

    Phil Bourjaily Reviews Three Full-Bore Slugs for Hunting Deer with a Shotgun (Plus How to Shoot Them) 2005

  • This helps achieve "concentric obturation" of the slug, which is what engineers say when they mean that the slug expands to seal in the bore without becoming misshapen and off-centered.

    Full-Bore Ahead 2005

  • Do you do primary tooth pulpectomy? what technique and obturation material do you use? is it possible to do post or core bulid-up?

    Just Got an e-mail-Bad Decay on a Two Year Old's Teeth Dr. Dean Brandon 2006

  • The obturation being incomplete, it may be impossible by palpation to decide that thrombosis really exists.

    Lameness of the Horse Veterinary Practitioners' Series, No. 1 John Victor Lacroix

  • The Company believes it is a leading U.S. manufacturer or distributor of prophy angles and cups, liquid surface disinfectants, dental micro-applicators and obturation units designed for warm, vertical condensation.

    unknown title 2011

  • The Company believes it is a leading U.S. manufacturer or distributor of prophy angles and cups, liquid surface disinfectants, dental micro-applicators and obturation units designed for warm, vertical condensation.

    TradingMarkets 2010

  • The Company believes it is a leading U.S. manufacturer or distributor of prophy angles and cups, liquid surface disinfectants, dental micro-applicators and obturation units designed for warm, vertical condensation.

    TradingMarkets 2010

  • The Company believes it is a leading U.S. manufacturer or distributor of prophy angles and cups, liquid surface disinfectants, dental micro-applicators and obturation units designed for warm, vertical condensation.

    TradingMarkets 2010

  • The Company believes it is a leading U.S. manufacturer or distributor of prophy angles and cups, liquid surface disinfectants, dental micro-applicators and obturation units designed for warm, vertical condensation.

    TradingMarkets 2010

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