雷光(らいこう)

らいこう
noun
lightning flash; flash of lightning
weathernature
1. lightning flash; the visible light of a lightning bolt
The bright flash of light produced by a lightning discharge. Distinguished from 雷(かみなり) (thunder, or lightning as a phenomenon) by focusing specifically on the visual flash of light.
雷光(らいこう)が空(そら)を走(はし)った。
A flash of lightning ran across the sky.
雷光(らいこう)の後(あと)に大(おお)きな雷鳴(らいめい)が響(ひび)いた。
After the lightning flash, a loud thunderclap echoed.
真夜中(まよなか)、雷光(らいこう)が部屋(へや)を一瞬(いっしゅん)昼(ひる)のように照(て)らした。
At midnight, a lightning flash lit up the room as bright as day for an instant.

Similar words

  • 雷(かみなり): thunder; lightning (general term for the phenomenon)
  • 稲妻(いなずま): lightning bolt — the specific bolt or flash, often used in literary or dramatic contexts
  • 雷光(らいこう): lightning flash — emphasizes the visual light; more formal/literary
  • 雷鳴(らいめい): thunderclap — the sound (contrast with 雷光, the light)

Common collocations

Related Words

Compare: 稲妻(いなずま) (lightning bolt)
Compare: 雷鳴(らいめい) (thunderclap)
general
Added 2026.6.13 12:45 · Revised 2026.9.2 13:02
29000/29218_raikou