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absorption line noun

  /æbˈsɔɹp.ʃn̩ laɪn/ , /æbˈzɔɹp.ʃn̩ laɪn/ , /əbˈsɔɹp.ʃn̩ laɪn/ , /əbˈzɔɹp.ʃn̩ laɪn/
  • (physics, astronomy) A spectral line that corresponds to the absorption of electromagnetic radiation at a specific wavelength; the pattern of such lines is characteristic of specific atoms or molecules in the path of the radiation.
 absorptioviiva
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