absorption line

== English == === Pronunciation === (US) IPA(key): /æbˈsɔɹp.ʃn̩ laɪn/, /æbˈzɔɹp.ʃn̩ laɪn/, /əbˈzɔɹp.ʃn̩ laɪn/, /əbˈsɔɹp.ʃn̩ laɪn/ === Noun === absorption line (plural absorption lines) (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. ==== Synonyms ==== Fraunhofer's line ==== Translations ==== === See also === emission line