obturation

n. 充填, 闭塞

词形变化

obturations 复数 obturations

释义与例句

n.
  1. 1.

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

    可数 不可数
  2. 2.

    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.

    可数 不可数 工程 政治 军事

词源

From Latin obtūrātiō. Compare French obturation.

来源：wiktionary