Fine Structure
nounverified·updated May 18, 2026
the presence of groups of closely spaced spectrum lines observed in the atomic spectrum of certain elements
Framework senses
- §1
- the presence of groups of closely spaced spectrum lines observed in the atomic spectrum of certain elements
- §1 · legacy_primary
- the presence of groups of closely spaced spectrum lines observed in the atomic spectrum of certain elementsDR-088 backfill from the noun definition column