安あん全ぜん係けい数すう

noun

safety factor

Engineering term: the ratio of a structure's strength to the expected load, used to ensure safety margins.

• この橋はしは安あん全ぜん係けい数すうを高たかめに設せっ定ていして設せっ計けいされた。

  This bridge was designed with a high safety factor.