spectral meaning and definition

SPECTRAL adjective

Definition of spectral (adjective)

1. of or relating to a spectrum
   • "spectral colors"; "spectral analysis"
2. resembling or characteristic of a phantom
   • "a ghostly face at the window"; "a phantasmal presence in the room"; "spectral emanations"; "spiritual tappings at a seance"
   • synonyms: apparitional, ghostlike, ghostly, phantasmal, spiritual