Rainbow
Noun
UK
/ˈreɪn.bəʊ/
US
/ˈreɪn.boʊ/
Level: a2
Definition
A curved band of colours in the sky caused by sunlight shining through water droplets.
Example
"We saw a rainbow."
"A beautiful rainbow appeared after the heavy rain."
"Children happily pointed at the bright rainbow stretching across the sky."
Explanation
A rainbow is a colourful arc that appears in the sky when sunlight passes through tiny water droplets after or during rain. It usually shows seven colours blending into one another. Besides its scientific meaning, a rainbow is often used as a symbol of hope, peace, diversity, and happiness. It is one of the most familiar and beautiful natural phenomena.