Search results
- Dictionaryrain·bow/ˈrānˌbō/
noun
- 1. an arch of colors formed in the sky in certain circumstances, caused by the refraction and dispersion of the sun's light by rain or other water droplets in the atmosphere: "all the colors of the rainbow"
Powered by Oxford Dictionaries
A rainbow is an optical phenomenon caused by refraction, internal reflection and dispersion of light in water droplets resulting in a continuous spectrum of light appearing in the sky. The rainbow takes the form of a multicoloured circular arc.
The meaning of RAINBOW is an arc or circle that exhibits in concentric bands the colors of the spectrum and that is formed opposite the sun by the refraction and reflection of the sun's rays in raindrops, spray, or mist. How to use rainbow in a sentence.
Oct 19, 2023 · Vocabulary. A rainbow is a multicolored arc made by light striking water droplets. The most familiar type rainbow is produced when sunlight strikes raindrops in front of a viewer at a precise angle (42 degrees). Rainbows can also be viewed around fog, sea spray, or waterfalls.
noun. a bow or arc of prismatic colors appearing in the heavens opposite the sun and caused by the refraction and reflection of the sun's rays in drops of rain. Compare primary rainbow, secondary rainbow. a similar bow of colors, especially one appearing in the spray of a waterfall or fountain.
rainbow, series of concentric coloured arcs that may be seen when light from a distant source—most commonly the Sun—falls upon a collection of water drops—as in rain, spray, or fog. The rainbow is observed in the direction opposite to the Sun.
RAINBOW definition: 1. an arch (= curved shape) of different colours seen in the sky when rain is falling and the sun…. Learn more.
RAINBOW meaning: 1. an arch (= curved shape) of different colours seen in the sky when rain is falling and the sun…. Learn more.
RAINBOW definition: a half circle with seven colours that sometimes appears in the sky when the sun shines through rain. Learn more.
Definition of rainbow noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
1. a. An arc of spectral colors, usually identified as red, orange, yellow, green, blue, indigo, and violet, that appears in the sky opposite the sun as a result of the refractive dispersion of sunlight in drops of rain or mist. b. A similar arc or band, as one produced by a prism or by iridescence. c.
