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  • noun

Synonyms for rainbow

a fantastic, impracticable plan or desire

Words related to rainbow

an arc of colored light in the sky caused by refraction of the sun's rays by rain

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an illusory hope

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References in periodicals archive ?
5 shows the discovery picture with the green and blue hues of the fifth rainbow--its red being hidden behind the much brighter secondary rainbow.
Why is a secondary rainbow usually not as bring as a primary rainbow?
Although this light is dimmer, sometimes it is bright enough to produce a secondary rainbow just outside the first.
I learned of a bright secondary rainbow seen in Massachusetts before any sign of the primary appeared at all.
Ray Rosich called attention to something else in the photo: "It seems to be very common for people to clearly observe the primary and the secondary rainbows but to not notice the dark band between them.