the rainbow is a form of:

Rainbow



noun
1.
(an arc containing the colors of the spectrum in bands, that appears when the sun, Srays are refracted by and reflected from raindrops, red, orange, yellow, green, blue, indigo and violet) ឥន្ទធនូ
ENGLISH MEANING
noun
1.
A bow or arch exhibiting, in concentric bands, the several colors of the spectrum, and formed in the part of the hemisphere opposite to the sun by the refraction and reflection of the sun's rays in drops of falling rain.
1.
dream, illusion, bubble, fantasy, chimera