Having to do with the spectrum
Spectral means relating to or produced by a spectrum, the distribution of energy emitted by a radiant source.
of or relating to a spectrum; "spectral colors"; "spectral analysis"
Variation from the range of spectral responses covered by a wavelength band.
A descriptor for radiometric quantities or measurements which have a limited wavelength range.
Pertaining to the electromagnetic spectrum, depending on wavelength or frequency, varying based on wavelength.
Spectral is the third album of the Swedish band Skyfire. It features the best production of the three albums and the lyrical themes include armageddon, loneliness, delusion, despair, and mysticism.