spectral

[ spek-truh l ]
/ ˈspɛk trəl /
SEE SYNONYMS FOR spectral ON THESAURUS.COM

adjective

of or relating to a specter; ghostly; phantom.
resembling or suggesting a specter.
of, relating to, or produced by a spectrum or spectra.
resembling or suggesting a spectrum or spectra.

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Origin of spectral

1710–20; < Latin spectr(um) (see specter) + -al1

OTHER WORDS FROM spectral

Words nearby spectral

specter, spectinomycin, spector, spectra, spectra yellow, spectral, spectral line, spectral luminous efficiency, spectral series, spectral type, spectre
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to spectral

shadowy, eerie, haunted, illusory, phantom, scary, spiritual, spooky, supernatural, phantasmal, apparitional

Example sentences from the Web for spectral

British Dictionary definitions for spectral

spectral
/ (ˈspɛktrəl) /

adjective

of or like a spectre
of or relating to a spectrumspectral colours
physics (of a physical quantity) relating to a single wavelength of radiationspectral luminous efficiency

Derived forms of spectral

spectrality (spɛkˈtrælɪtɪ) or spectralness, nounspectrally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for spectral

spectral
[ spĕk′trəl ]

adj.

Of, relating to, or produced by a spectrum.

Other words from spectral

spec•tral′i•ty (-trăl′ĭ-tē) null n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.