Last Updated
：2025/11/20
spectral line
Noun
Japanese Meaning
物理学におけるスペクトル線。連続的なスペクトル中で、原子または分子の電子がエネルギー準位間の移動に伴い、特定の波長で光の吸収または放出によって現れる暗線または明線
（ plural ）
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(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
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spectral line
The astronomer identified a faint spectral line in the star's spectrum that indicated the presence of ionized calcium.
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The astronomer identified a faint spectral line in the star's spectrum that indicated the presence of ionized calcium.
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