spectral line

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Related to Van der Waals broadening: Johannes van der Waals

spectral line

n.
An isolated bright or dark line in a spectrum produced by emission or absorption of light of a single wavelength.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

spec′tral line′


n.
a line in a spectrum due to the absorption or emission of light at a discrete frequency.
[1865–70]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
The Van der Waals broadening [DELTA][[lambda].sub.W] is the effects of dipolar interaction between excited the atoms and the neutral ground state atom [14].