略語大辞典 [Opt] 25 UVB† ultra-violet B 紫外線(光)B. 中波長紫外線. ultra-violet B; mid-wavelength UV; e.g. traditional definition is the light in 290 - 320 nm range; e.g. CIE(Commission Internationale d'Eclairage) defines in 280 - 315 nm; following exposure to UVB, ROS(reactive oxygen species) are li 丸善「略語大辞典」JLogosID : 11853454