spectral

[ spek-truh l ]
/ ˈspɛk trəl /

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.

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

[ spĕktrəl ]

adj.

Of, relating to, or produced by a spectrum.

Related forms

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