UV vs ultraviolet radiation

UV and ultraviolet radiation both are nouns.

Word	Noun	Adjective	Verb	Adverb
UV	Yes	No	No	No
ultraviolet radiation	Yes	No	No	No

As nouns, UV and ultraviolet radiation are synonyms defined as:

UV and ultraviolet radiation: radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays

Other synonyms of UV include ultraviolet, ultraviolet illumination, ultraviolet light.

UV (noun)	ultraviolet radiation (noun)
radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays	radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays