absorption spectrum

noun

: 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

Word History

First Known Use

1833, in the meaning defined above

Time Traveler

The first known use of absorption spectrum was in 1833

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Dictionary Entries Near absorption spectrum

absorption spectroscopy

absorption spectrum

absorption system

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Style

“Absorption spectrum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/absorption%20spectrum. Accessed 23 Mar. 2023.

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Medical Definition

absorption spectrum

noun

: 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