絶ぜっ対たい真しん空くう

noun

perfect vacuum; absolute vacuum

Technical term in physics and engineering for a space entirely devoid of matter, or a vacuum of the highest attainable quality.

• 絶ぜっ対たい真しん空くうを作つくり出だすことは理り論ろん上じょう不ふ可か能のうに近ちかい。

  Creating a perfect vacuum is nearly impossible in theory.

• この実じっ験けんでは絶ぜっ対たい真しん空くうに近ちかい環かん境きょうが必ひつ要ようだ。

  This experiment requires an environment close to an absolute vacuum.