ultraviolet
adj.adj. describing a type of light that is just beyond what human eyes can see. It comes from the sun and can cause your skin to tan or burn.
adj. relating to electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays. Often used attributively to describe light, rays, or radiation.
You should wear sunscreen to protect your skin from ultraviolet rays.
Bees can see patterns on flowers that are only visible in the ultraviolet spectrum, helping them find nectar more efficiently.
The restoration team used ultraviolet light to reveal hidden layers of paint that had been covered up by previous artists centuries ago, providing a clearer picture of the original work.
Etymology tree Proto-Indo-European *h₂el- Latin ūls Proto-Indo-European *-teros? Latin -ter Old Latin -ād Latin -ā Latin ultrālbor. English ultra- Latin viola Old French -ette Old French violettebor. Middle English violet English violet English ultraviolet From ultra- (“beyond”) + violet (“violet”).
Typically used as an attributive adjective before nouns like 'light', 'radiation', or 'rays'.