display or specification of the monochromatic components of the radiation considered
Note 1 to entry: There are line spectra, continuous spectra, and spectra exhibiting both these characteristics.
Note 2 to entry: The term "spectrum" is also used for spectral efficiencies (excitation spectrum, action spectrum).
Note 3 to entry: This entry was numbered 845-01-08 in IEC 60050-845:1987.
Note 4 to entry: This entry was numbered 17-1238 in CIE S 017:2011.