Englishfor English speakers
rainbow
Noun
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A rainbow is an arch of colors in the sky that you can see in the rain when the sun is at your back.
Traditionally, the colors of the rainbow are red, orange, yellow, green, blue, indigo and violet, but in real life, it's actually a continuous spectrum.
rainbow
Adjective
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When something is rainbow, it is made up of many colors.
hologram
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noun
the intermediate photograph (or photographic record) that contains information for reproducing a three-dimensional image by holography