Ultraviolet radiation refers to the electromagnetic radiation with wavelengths shorter than visible light but longer than X-rays. There are several synonyms for ultraviolet radiation, including black light, UV light, and UV rays. Other terms that can be used interchangeably with ultraviolet radiation include UV-A, UV-B, and UV-C radiation. Some people also refer to ultraviolet radiation as sunburn rays or tanning rays since overexposure to UV rays from the sun can cause severe skin damage. Understanding the different synonyms for ultraviolet radiation can help raise awareness about its harmful effects and encourage people to protect themselves from excessive exposure.