Definitions for absorption spectrum
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Random House Webster's College Dictionary
absorp′tion spec`trum(n.)
the spectrum formed by electromagnetic radiation that has passed through a medium in which radiation of certain frequencies is absorbed.
Category: Physics
Origin of absorption spectrum:
1875–80
Princeton's WordNet
absorption spectrum(noun)
the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths
Wiktionary
absorption spectrum(Noun)
The characteristic pattern of dark lines or bands that occurs when electromagnetic radiation is passed through an absorbing medium into a spectroscope.
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"absorption spectrum." Definitions.net. STANDS4 LLC, 2013. Web. 20 May 2013. <http://www.definitions.net/definition/absorption spectrum>.