Spectral

//ˈspɛktɹəɫ// adj

Definitions

Adjective
  1. 1
    Of, or pertaining to, spectres; ghostly.

    "The spectral chain-rattling and moans gave me the chills."

  2. 2
    Of, or pertaining to, spectra; classified according to frequency or wavelength (of light etc.).
Adjective
  1. 1
    resembling or characteristic of a phantom wordnet
  2. 2
    of or relating to a spectrum wordnet

Etymology

Etymology 1

From spectre + -al.

Etymology 2

From spectrum + -al.

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