hyperfine structure
[ hahy-per-fahyn, hahy- ]
/ ˈhaɪ pərˈfaɪn, ˌhaɪ- /
noun Physics.
the splitting of the lines of an atomic spectrum, produced by the angular momentum of the nucleus of the atom.
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Nearby words
Compare fine structure.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for hyperfine structure
hyperfine structure
/ (ˈhaɪpəˌfaɪn) /
noun
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 nucleiCompare fine structure See also Zeeman effect
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