spectral Meaning, Definition & Usage

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

WordNet


Spec"tral adjective
Definitions
  1. Of or pertaining to a specter; ghosty.
    He that feels timid at the spectral form of evil is not the man to spread light. F. W. Robertson.
  2. (Opt.) Of or pertaining to the spectrum; made by the spectrum; as, spectral colors; spectral analysis.

Webster 1913