Last Updated
：2025/12/01
circumhorizontal arc
Noun
Japanese Meaning
大気中に浮遊する平板状の氷結晶によって、太陽光または月光が屈折されることで形成される、地平線に平行な位置に現れる鮮やかなスペクトルカラーの帯状の光学現象
（ plural ）
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An optical phenomenon, a large, brightly spectrum-coloured band running parallel to the horizon, formed by the refraction of sunlight or moonlight in plate-shaped ice crystals suspended in the atmosphere, typically in cirrus or cirrostratus clouds.
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circumhorizontal arc
During the clear summer afternoon we were delighted to see a vivid circumhorizontal arc stretching across the sky above the mountains.
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During the clear summer afternoon we were delighted to see a vivid circumhorizontal arc stretching across the sky above the mountains.
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