hyperfine-structure

hyperfine structure

[hahy-per-fahyn, hahy-]
noun Physics.
the splitting of the lines of an atomic spectrum, produced by the angular momentum of the nucleus of the atom.
Compare fine structure.


Origin:
1925–30; hyper- + fine1

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World English Dictionary
hyperfine structure (ˈhaɪpəˌfaɪn)
 
n
Compare fine structure See also Zeeman effect the splitting of a spectral line of an atom or molecule into two or more closely spaced components as a result of interaction of the electrons with the magnetic moments of the nuclei

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