ultraviolet rays; UV radiation
Scientific and everyday term for ultraviolet light. Often used in contexts of sun protection, sterilization, and astronomy.
On days with strong UV rays, you should apply sunscreen.
This window glass blocks ultraviolet rays.
If you're exposed to UV rays for a long time at the beach, your skin gets sunburned.
I apply sunscreen to protect myself from UV rays.
UV rays are strong in summer, so please be careful.
I wear a hat as a countermeasure against UV rays.
UV-EPROM; ultraviolet erasable programmable read-only memory