ENGLISH
REFERENCE

rainbows

n. countable
A1 Beginner US //ˈɹeɪnˌboʊz// UK //ɹˈeɪnbəʊz// rain·bows
SIMPLE

The children ran outside to see the rainbows after the storm.

CONTEXTUAL

We saw two bright rainbows stretching across the valley as the sun broke through the afternoon rain.

COMPLEX

While rainbows are often perceived as semi-circular arcs from the ground, they are actually full circles of light whose lower halves are obscured by the horizon.

Usage

Plural form of 'rainbow'; refers to multiple instances of the phenomenon.

Idioms3 entries

© 2026 English Reference