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secondary rainbow

noun

  1. a faint rainbow formed by light rays that undergo two internal reflections in drops of rain, appearing above the primary rainbow and having its colors in the opposite order.

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Word History and Origins

Origin of secondary rainbow1

First recorded in 1785–95

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Example Sentences

Why are the colours of the secondary rainbow fainter than those of the primary?

Very commonly a secondary rainbow is seen, concentric with the primary bow, and having a radius of about 50 degrees.

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secondary qualitysecondary recovery

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