Last Updated：2025/11/27

(engineering) The predicted mean average time taken for a part or system to fail for the first time.

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See correct answer

mean time to failure

Source Word

mean time to failure

Noun

(engineering) The predicted mean average time taken for a part or system to fail for the first time.

Japanese Meaning

部品やシステムが初めて故障するまでに要する平均的な時間

The engineers estimated the mean time to failure for the new pump and scheduled maintenance accordingly.

技術者たちは新しいポンプの故障までの平均時間を推定し、それに基づいて保守計画を立てた。

Sense（1）

(engineering) The predicted mean average time taken for a part or system to fail for the first time.