noun🔗Share吸光度、吸収A logarithmic measure of the amount of light that is absorbed when passing through a substance; the capacity of a substance to absorb light of a given wavelength; optical density."The plant's leaves showed high absorbance of red light, which helped it efficiently convert sunlight into energy. "植物の葉は赤い光の吸光度が高く、太陽光を効率的にエネルギーに変換するのに役立ちました。sciencechemistryphysicsbiochemistrysubstancematerialChat with AIVocabulary GamePractice Reading