absorption spectrum

absorption spectrum

noun Physics.

  1. the spectrum formed by electromagnetic radiation that has passed through a medium in which radiation of certain frequencies is absorbed.


  1. 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


  1. The electromagnetic spectrum, broken by a specific pattern of dark lines or bands, observed when radiation traverses a particular absorbing medium.

  1. The range of frequencies of electromagnetic radiation readily absorbed by a substance by virtue of its chemical composition. See more at atomic spectrum.
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