Definition of absorption spectrum in English:

absorption spectrum

Line breaks: ab¦sorp|tion spec|trum


  • A spectrum of electromagnetic radiation transmitted through a substance, showing dark lines or bands due to absorption at specific wavelengths. Compare with emission spectrum.
    More example sentences
    • Following Forster himself, one may use a specific absorption spectrum, a normalized emission spectrum and an estimate of the radiative lifetime.
    • The wide absorption spectrum of the electron transfer chain revealed by the transient measurements may contribute to the high efficiency of energy trapping in PSI.
    • The redshift in the absorption spectrum reflects electronic interactions between the porphyrin and the melanins.

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Pronunciation: skəʊʃ
a small amount; a little