dark-line spectrum


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Related to dark-line spectrum: Absorption lines

dark-line spectrum:

see spectrumspectrum,
arrangement or display of light or other form of radiation separated according to wavelength, frequency, energy, or some other property. Beams of charged particles can be separated into a spectrum according to mass in a mass spectrometer (see mass spectrograph).
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dark-line spectrum

[′därk ¦līn ′spek·trəm]
(spectroscopy)
The absorption spectrum that results when white light passes through a substance, consisting of dark lines against a bright background.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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