雷(らい)サージ

らいさーじ
noun
lightning surge
electronicsweather
1. lightning surge; power surge from lightning
A sudden spike in voltage that travels along power or phone lines when lightning strikes nearby, which can damage electrical appliances and computers.
雷(らい)サージでパソコンが壊(こわ)れた。
My computer was damaged by a lightning surge.
雷(らい)サージ対策(たいさく)の電源(でんげん)タップを買(か)った。
I bought a power strip with lightning surge protection.
夏(なつ)は雷(かみなり)が多(おお)いので、雷(らい)サージから家電(かでん)を守(まも)る準備(じゅんび)をしておこう。
There are a lot of thunderstorms in summer, so let's get ready to protect our appliances from lightning surges.

Watch out

In this word 雷(らい) is read らい, as in 落雷(らくらい) and 雷雨(らいう); on its own the kanji is read かみなり (雷(かみなり)).

Common collocations

Related words

Related Words

Related: 停電(ていでん) (power outage)
Related: 落雷(らくらい) (lightning strike)
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Added 2026.10.5 4:16 · Revised 2026.10.5 4:22
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