The combination of many different spectral lines resulting from vibrational, rotational and electronic transitions. Unresolved band spectra may appear as a spectral continuum.
Source: Orange Book, 2nd ed., p. 118 [Terms] [Book]
Citation: 'band spectra' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.B00595 RISBibTexEndNote