Rainbow (color): nm and adj. inv. A rainbow is a luminous meteorological phenomenon in the shape of an arc, offering the colors of the prism (*): violet, indigo, blue, green, yellow, orange, red.
It is produced by the refraction, reflection and scattering of the colored rays making up white light (from the sun) by drops of water.
Phrase: Passing through all the colors of the rainbow (under the effect of emotions, etc.).
Invariable adjective: Whose colors recall the...
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