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moonbow

[ moon-boh ]
/ ˈmunˌboʊ /
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noun
a rainbow caused by the refraction and reflection of light from the moon.
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Also called lunar rainbow.

Origin of moonbow

First recorded in 1890–95; moon + (rain)bow
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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