What is the meaning of fine structure?

noun

  • The presence of groups of closely spaced spectrum lines observed in the atomic spectrum of certain elements.
    • usage: "the fine structure results from slightly different energy levels"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). fine structure. Retrieved September 20, 2026, from http://smartdefine.org/fine_structure/definitions/1235562
ChicagoWordNet. 2010. "fine structure" http://smartdefine.org/fine_structure/definitions/1235562 (accessed September 20, 2026).
HarvardWordNet 2010, fine structure, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/fine_structure/definitions/1235562>.
MLAWordNet. "fine structure" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/fine_structure/definitions/1235562>