obturation

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English[edit]

Etymology[edit]

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

Noun[edit]

obturation (countable and uncountable, plural obturations)

  1. The act of stopping up, or closing, an opening.
  2. (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.

Related terms[edit]


French[edit]

Noun[edit]

obturation f (plural obturations)

  1. sealing; closing up
  2. blockage
  3. a dental filling

Further reading[edit]