故こ障しょう率りつ

noun

failure rate

Technical term used in engineering, reliability analysis, and quality control to express the proportion of items that fail within a given period.

• この部ぶ品ひんの故こ障しょう率りつは非ひ常じょうに低ひくい。

  The failure rate of this component is very low.

• 故こ障しょう率りつを下さげるために設せっ計けいを見み直なおした。

  We reviewed the design to reduce the failure rate.