| absorption spectrum n. The electromagnetic spectrum, broken by a specific pattern of dark lines or bands, observed when radiation traverses a particular absorbing medium. The absorption pattern is unique and can be used to identify the material. |
absorption spectrum
n
(Physics / General Physics) the characteristic pattern of dark lines or bands that occurs when electromagnetic radiation is passed through an absorbing medium into a spectroscope. An equivalent pattern occurs as coloured lines or bands in the emission spectrum of that medium
| absorption spectrum The range of frequencies of electromagnetic radiation readily absorbed by a substance by virtue of its chemical composition. See more at atomic spectrum. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  absorption spectrum - the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengthsspectrum - an ordered array of the components of an emission or wave |
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