略語大辞典 [Opt] 25 A absorbance 吸光度. 光学密度. 透過率の逆数の常用対数.absorbance; or absorbancy; or extinction; or OD(optical density); of light; ref. Lambert-Beer's law; [Opt:L:Phys:Chem]. 丸善「略語大辞典」JLogosID : 11864047