雷光(らいこう)

らいこう
noun
lightning flash; flash of lightning
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)に大きな(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:

  • 雷光(らいこう)が光(ひか)る: lightning flashes
  • 雷光(らいこう)が走(はし)る: lightning streaks across the sky
  • 雷光(らいこう)と雷鳴(らいめい): lightning and thunder
general
Added 2026.6.13 12:45
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