We found one dictionary that defines the word atomic spectral line:

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1. Atomic spectral line: Wikipedia, the Free Encyclopedia

▸ Words similar to atomic spectral line ▸ Usage examples for atomic spectral line ▸ Idioms related to atomic spectral line ▸ Wikipedia articles (New!) ▸ Words that often appear near atomic spectral line ▸ Rhymes of atomic spectral line ▸ Invented words related to atomic spectral line