noun
line spectrum
Technical term in physics for a spectrum consisting of discrete lines, as opposed to a continuous spectrum.
原子から放出される光は線スペクトルを示す。
Light emitted from atoms shows a line spectrum.
Continuous spectrum, as opposed to a line spectrum.
Compound of 線 (せん, 'line') and スペクトル ('spectrum'), a direct translation of the English term 'line spectrum'.