Last Updated:2025/11/27
(meteorology) A rapidly expanding disc-shaped region of luminosity, lasting less than a thousandth of a second, seen high above energetic lightning associated with hail-producing regions of thunderstorms, reaching up no higher than about 12 miles altitude.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
blue starter
Edit Histories(0)
Source Word
blue starter
Noun
Japanese Meaning
気象現象として、雹を伴う雷雨で、強い落雷に関連して雷の上空(最高約12マイル=約19km)に現れる、急速に拡大する円盤状の発光領域(持続時間は千分の一秒未満)
( plural )