English Dictionary

elve

名詞

(astronomy, meteorology) an upper atmospheric optical phenomenon associated with thunderstorms, rapidly expanding disk-shaped regions of luminosity, lasting less than a thousandth of a second, which occur high above energetic cloud-to-ground lightning of positive or negative polarity

日本語の意味

雷雨に伴い、上層大気で発生する光学現象。雷と大気中のエネルギーが原因で、一瞬で急速に広がる円盤状の輝きが観測される現象。

During the lightning storm, satellite instruments captured a bright elve high above the clouds, its rapidly expanding disk of light appearing and disappearing in less than a millisecond.

雷嵐の間、人工衛星の観測機器は雲のはるか上空で明るい、一時的な上層大気の円盤状の発光現象をとらえた。その発光は急速に拡大し、1ミリ秒未満で消えた。

意味（1）

(astronomy, meteorology) an upper atmospheric optical phenomenon associated with thunderstorms, rapidly expanding disk-shaped regions of luminosity, lasting less than a thousandth of a second, which occur high above energetic cloud-to-ground lightning of positive or negative polarity

It is ikely that the first elve was recorded with the Space Shuttle low-light camera.

elves （ plural ）