moonbow
English
![](../I/m/LunarRainbowVicFalls_small.jpg)
A moonbow at Victoria Falls, Africa
Noun
moonbow (plural moonbows)
- (meteorology) A rainbow formed by moonlight diffracted by water droplets in the air, usually fainter than a daytime rainbow and with fewer distinguishable colours.
- 1896, James Wells, Travel-pictures from Palestine, page 94,
- Often rainbows by night or moonbows span the lake.
- 2010, Bernd Brunner, Moon: A Brief History, unnumbered page,
- Among the rarer optical effects associated with the moon are also moonbows or lunar rainbows.
- 2011, Colleen Ryckert Cook, Kentucky: Past and Present, page 9,
- When the sun shines over Kentucky's Cumberland Falls, the mist creates a rainbow on most days. If the moon shines brightly enough, it can create a moonbow, too!
- 1896, James Wells, Travel-pictures from Palestine, page 94,
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