Meaning of supernumerary rainbow | Babel Free
Definitions
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.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.