rainbow

Pronunciation

• (US) enPR: rān'bō or rām'bō, IPA ^(key): /ˈreɪnboʊ/ or /ˈreɪmboʊ/
• (UK) IPA ^(key): /ˈreɪnbəʊ/

• Audio (US)

  (file)

Noun

Singular rainbow

Plural rainbows

A rainbow

1. (countable) A rainbow is an arch of colors in the sky that you can see in the rain when the sun is at your back.

   Traditionally, the colors of the rainbow are red, orange, yellow, green, blue, indigo and violet, but in real life, it's actually a continuous spectrum.

Adjective

Positive rainbow

Comparative none

Superlative none

1. When something is rainbow, it is made up of many colors.

Verb

Plain form rainbow

Third-person singular rainbows

Past tense rainbowed

Past participle rainbowed

Present participle rainbowing

1. (transitive) When you rainbow something, you make it into something that has many colors, just like a rainbow.