spectral line

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spectral line

n.
An isolated bright or dark line in a spectrum produced by emission or absorption of light of a single wavelength.

spec′tral line′


n.
a line in a spectrum due to the absorption or emission of light at a discrete frequency.
[1865–70]
References in periodicals archive ?
The Area version of the Voigt FWHM is identical with Humlicek expression [20], where he developed a Voigt profile, and gave the equation of the Voigt spectral line width (Voigt FWHM) as follows:

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