Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from the GNU version of the Collaborative International Dictionary of English

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

from The Century Dictionary and Cyclopedia

  • n. The act of closing or stopping up, or the state or condition of being obstructed or closed.
  • n. 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.

Etymologies

Latin obturare to stop up: compare French obturation. (Wiktionary)

Examples

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

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

  • 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

  • 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

  • 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

  • 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.

  • The barrel features six-rib polygonal rifling to reduce wear and to increase obturation between the projectile and the bore.

    undefined

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.