It means ultraviolet !
On the light spectrum, beyond violet.
You should look at it the other way round. The word 'ultra' means 'beyond', so you have the visible spectrum which ends at violet, then what is beyond is 'ultra violet'.
The French word for violet is "violet."
The answer depends on which way you consider t be "beyond". The context in which the prefix "ultra" is used suggests that the colours are not beyond violet light.
The word beyond used as a preposition can be defined as at or to the further side. The word beyond used as a noun can be defined as the unknown after death.
The color violet is also called purple. It lies beyond the color blue in the spectrum.
The origin of the word beyond is Old English begeondan, from be 'by' + geondan of Germanic origin (related to yon and yonder).
Outside, beyond.
gamma rays
It means "violet". It comes from the Greek "Iolanthe", which literally means "purple flower", and is the word for all flowers in the violet genus.
it mean , i would say beyond because if be sound like be in Beyonce that means that beyond is totally the word
Beyond; outside of.