Ultraviolet (adjective)

1. Of or relating to electromagnetic radiation of a wavelength shorter than that of visible light but longer than X-rays, outside the visible spectrum at its violet end.
2. Of or relating to the ultraviolet region of the electromagnetic spectrum.

Origin:

Late 19th century: from ultra- "beyond" + violet.

Examples:

1. The sun emits ultraviolet radiation that can cause sunburn and skin cancer.
2. Ultraviolet light is used to disinfect water and air.
3. Many insects can see ultraviolet light, which helps them locate flowers.
4. Some birds can see ultraviolet light and use it to locate food.
5. The camera's lens filter blocks out ultraviolet light to produce clearer images.