line spectrum(redirected from Line spectra)
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Related to Line spectra: continuous spectra
A spectrum produced by a luminous gas or vapor and appearing as distinct lines characteristic of the various elements constituting the gas.
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|Noun||1.||line spectrum - a spectrum in which energy is concentrated at particular wavelengths; produced by excited atoms and ions as they fall back to a lower energy level|
spectrum - an ordered array of the components of an emission or wave
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