Ultraviolet Radiation (UV rays)

Definition

Ultraviolet radiation is a type of electromagnetic radiation that has shorter wavelengths than visible light but longer wavelengths than X-rays. It's invisible to the human eye and can cause skin damage, including sunburn and skin cancer.

Related terms

UVA Rays: These are long-wave ultraviolet A rays that penetrate deep into the dermis, the skin's thickest layer. They can cause premature aging and wrinkling.

UVB Rays: These are short-wave ultraviolet B rays that burn the superficial layers of your skin. They play a key role in developing skin cancer.

Electromagnetic Spectrum:

This is the range of all types of EM radiation, including UV rays, visible light, infrared radiation, etc.