Last Updated：2025/11/21

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The near simultaneous ignition of all combustible material in an enclosed area. / An unintended electric discharge or arc over or around an insulator.

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flashover

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Source Word

flashover

Noun

countable uncountable

Japanese Meaning

密閉空間内での全可燃性物質がほぼ同時に点火する現象 / 絶縁体の周辺又は付近で生じる、意図しない電気放電またはアーク現象

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The firefighters recognized the signs of an imminent flashover and withdrew to a safe position.

Google Translation / DeepL Translation

消防士たちは、密閉空間内の可燃物がほぼ同時に発火する現象が差し迫っている兆候を認め、安全な位置まで退避した。

Details

Sense（1）

The near simultaneous ignition of all combustible material in an enclosed area.

Sense（2）

An unintended electric discharge or arc over or around an insulator.

The overhead line was energised at 25,000 volts and the height of the contact wire was reduced to 11 in. above the chimney, then to 5 and finally to 2 in.; at this last, short distance the flashover occurred, but all the men were perfectly safe because the current went direct to earth through the locomotive.

Google Translation / DeepL Translation

Details

flashovers

（ plural ）

Details

flashover

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flashover

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