UV is an acronym for Ultraviolet Rays, or ultraviolet light, with a wavelength range of 100 to 400 nm, which is electromagnetic waves between X-rays and visible light.
UV ແມ່ນຕົວ ຫນັງ ສື ສໍາ ລັບ Ultraviolet Rays, ຫຼືແສງ ultraviolet, ມີລະດັບຄື້ນຈາກ 100 ເຖິງ 400 nm, ເຊິ່ງແມ່ນຄື້ນໄຟຟ້າໄຟຟ້າລະຫວ່າງ X-ray ແລະແສງທີ່ເບິ່ງເຫັນໄດ້.