This is the 3671st most frequent Japanese word.
uv
The term "uv" is not a Japanese word. It may refer to "ultraviolet" in English.
In this sentence, 'UV' refers to ultraviolet rays, emphasizing the protective feature of the sunglasses.
このサングラスはUVカットされています。
These sunglasses are UV-cut.
Here, 'UV' mentions ultraviolet light as a tool for sterilization purposes.
UVライトを使用して部屋を消毒します。
I use UV light to disinfect the room.
In this statement, 'UV' is linked to protection from ultraviolet rays exposure.