supernumerary rainbow
English
![](Images/wiktionary/Supernumerary-rainbows-jb.jpg.webp)
High-dynamic-range photograph of a rainbow with additional supernumerary bands inside the primary bow
Noun
supernumerary rainbow (plural supernumerary rainbows)
- One of the faintly colored bands sometimes seen bordering the violet edge of a rainbow, i.e. inside the primary bow or, much more rarely, outside the secondary.