Dictionary
absorption spectrum
noun
Definition of ABSORPTION SPECTRUM
: an electromagnetic spectrum in which a decrease in intensity of radiation at specific wavelengths or ranges of wavelengths characteristic of an absorbing substance is manifested especially as a pattern of dark lines or bands
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First Known Use of ABSORPTION SPECTRUM
1869
Medical Dictionary
absorption spectrum
noun
Medical Definition of ABSORPTION SPECTRUM
: an electromagnetic spectrum in which a decrease in intensity of radiation at specific wavelengths or ranges of wavelengths characteristic of an absorbing substance (as chlorophyll) is manifested especially as a pattern of dark lines or bands—compare emission spectrum
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