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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.


absorption spectrum

noun

  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


absorption spectrum

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


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Word History and Origins

Origin of absorption spectrum1

First recorded in 1875–80

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Compare Meanings

How does absorption spectrum compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

The salts have a faint pink colour, and show a faint absorption spectrum; the spark spectrum is brilliant and well characterized.

This colour possesses an absorption spectrum (figured at p. 55).

The liquid is without colour, and gives no absorption spectrum.

It seems related to both almandine and pyrope, and shows the absorption-spectrum of almandine.

It is conspicuous by its absorption spectrum in many of the white stars.

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absorption nebulaabsorptive