n11457586
| type | n |
| lex_filenum | 19 |
| def | the presence of groups of closely spaced spectrum lines observed in the atomic spectrum of certain elements |
| examples | the fine structure results from slightly different energy levels |
| Outgoing links | |
| Hypernym | spectrum line |
| Part holonym | atomic spectrum |
| Incoming links | |
| Hyponym | spectrum line |
| Part meronym | atomic spectrum |
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