Definitions for "Spectral"
Of or pertaining to a specter; ghosty.
Of or pertaining to the spectrum; made by the spectrum; as, spectral colors; spectral analysis.
Adjective referring to spectrum. See "Spectrum."
like or being a phantom; "a ghostly face at the window"; "a phantasmal presence in the room"; "spectral emanations"; "spiritual tappings at a seance"
a system for spectrometry and colorimetry
Typical radiation reflectance values as given signatures off by different ground or water surfaces.