obturation

Noun

Meaning

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

(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.

Source: en.wiktionary.org

Synonyms

close cap closing seal closure lock congestion obstruction stoppage occlusion constipation occlude plugging sealing abocclusion

Antonyms

hand

Related terms

obturate obturative

Examples

A metal case holds an integral primer to initiate the propellant and provides the gas seal to prevent the gases leaking out of the breech; this is called obturation. Source: Internet

With bagged charges, the breech itself provides obturation and holds the primer. Source: Internet

Close letter words and terms

obturacule obturaculum obturate obturational obturative obturator