ukr: Тонка структура

Information
has URI	http://lexvo.org/id/term/ukr/%D0%A2%D0%BE%D0%BD%D0%BA%D0%B0%20%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%B0

Meaning
means	(noun) the presence of groups of closely spaced spectrum lines observed in the atomic spectrum of certain elements; "the fine structure results from slightly different energy levels" fine structure