清せい浄じょう度ど

noun

cleanliness level; degree of cleanliness

Technical term used in engineering, manufacturing, and environmental contexts to quantify how clean a surface, room, or substance is.

• このクリーンルームの清せい浄じょう度どはクラス100です。

  The cleanliness level of this cleanroom is Class 100.

• 製せい品ひんの品ひん質しつを保たもつために、製せい造ぞう工こう程ていの清せい浄じょう度どを定てい期き的てきに測そく定ていしている。

  To maintain product quality, we regularly measure the cleanliness level of the manufacturing process.