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

First Known Use of absorption spectrum

1833, in the meaning defined above

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More Definitions for absorption spectrum

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