spectral

About 7.27 uses per million words.

Meaning

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

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

2. adjective Of, or pertaining to, spectra; classified according to frequency or wavelength (of light, etc.).
3. adjective On the spectrum; spectrumy.

Similar words

ghostlike ghostly phantasmal spiritual apparitional supernatural frequency spectrum spectrometric spectroscopy

Often followed by

density lines analysis range line region distribution resolution data response

Word family

spectrally