definitions

spectral

[ spek-truh l ]
/ ˈspɛk trəl /
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SEE MORE 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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RELATED WORDS

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

Nearby words

specter, spectinomycin, spector, spectra, spectra yellow, spectral, spectral class, spectral line, spectral luminous efficiency, spectral series, spectral type

Origin of spectral

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

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples 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

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

Medicine definitions for spectral

spectral

[ spĕk′trəl ]

adj.

Of, relating to, or produced by a spectrum.

Related forms

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.