absorption line
phys. Dark lines that appear in an absorption spectrum. The pattern of lines is unique for each element. ཐིམ་པའི་འོད་ཤལ་གྱི་ནང་དུ་མངོན་པའི་ཐིག་ནག་པོ་དག་ལ་གོ ཁམས་རྫས་མི་འདྲ་བར་བསྡུ་ཐིག་གི་བཀོད་རིས་མི་འདྲ་བ་ཡོད།
absorption spectrum
phys. Continuous spectrum, like that generated by white light, interrupted by dark lines or bands that result from the absorption of light of certain frequencies by a substance through which […]
absorptivity
phys. Symbol α. The ratio of the radiant or luminous flux absorbed by a body to the flux falling on it. Formerly called absorptivity, the absorptance of a *black body […]