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

Dictionary Entries Near absorption spectrum

Cite this Entry

“Absorption spectrum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/absorption%20spectrum. Accessed 25 Jul. 2024.

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

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