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- Dictionaryrainbow/ˈreɪnbəʊ/
noun
- 1. an arch of colours visible in the sky, caused by the refraction and dispersion of the sun's light by rain or other water droplets in the atmosphere. The colours of the rainbow are generally said to be red, orange, yellow, green, blue, indigo, and violet: "all the colours of the rainbow"
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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. [ 1 ] . The rainbow takes the form of a multicoloured circular arc. [ 2 ] .
RAINBOW definition: 1. an arch (= curved shape) of different colours seen in the sky when rain is falling and the sun…. Learn more.
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.
Sep 17, 2024 · 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.
Rainbows are multi-colored arcs which result when light strikes water droplets. They result from the refraction and reflection of light. Usually, rainbows are full circles with the antisolar point (i.e the imaginary point directly opposite the sun) being the center of the circle.
A rainbow is an optical phenomenon which involves three processes: reflection, dispersion, and refraction. Reflection. Water droplets can act like little mirrors. When a ray of sunlight strikes one of these tiny spheres of water, most of the light bounces off its rear wall and is reflected back.
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 meaning: 1. an arch (= curved shape) of different colours seen in the sky when rain is falling and the sun…. Learn more.
A rainbow is an arch of different colours that you can sometimes see in the sky when it is raining. Oh look, a rainbow! ...silk brocade of every colour of the rainbow.
