spectral line
(physics) a dark or bright line in an otherwise continuous spectrum caused by the absorption or emission of light, at a single wavelength, by the movement of electrons between energy levels of an atom or molecule
(transitive, intransitive) To make or become dwarfed. / (transitive) To dwarf.
Society of Jesus (also as postnominal) / (Internet slang, academia) Initialism of social justice.
(banking) The activities of a commercial bank.
その天文学者は、星のスペクトルに微かな吸収線を確認し、それがイオン化カルシウムの存在を示していた。
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