spec·tral

(spĕk′trəl)

adj.

1. Of or resembling a specter; ghostly.

2. Of, relating to, or produced by a spectrum.

spec·tral′i·ty (-trăl′ĭ-tē), spec′tral·ness (-trəl-nĭs) n.

spec′tral·ly adv.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

spectral

(ˈspɛktrəl)

adj

1. of or like a spectre

2. (General Physics) of or relating to a spectrum: spectral colours.

3. (General Physics) physics (of a physical quantity) relating to a single wavelength of radiation: spectral luminous efficiency.

spectrality, ˈspectralness n

ˈspectrally adv

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

spec•tral

(ˈspɛk trəl)

adj.

1. of or pertaining to a specter; ghostly.

2. resembling a specter.

3. of, pertaining to, or produced by a spectrum or spectra.

4. resembling or suggesting a spectrum or spectra.

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

spec′tral•ly, adv.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Adj.	1.	spectral - of or relating to a spectrum; "spectral colors"; "spectral analysis"
	2.	spectral - resembling or characteristic of a phantom; "a ghostly face at the window"; "a phantasmal presence in the room"; "spectral emanations"; "spiritual tappings at a seance" apparitional, ghostlike, ghostly, phantasmal, spiritual supernatural - not existing in nature or subject to explanation according to natural laws; not physical or material; "supernatural forces and occurrences and beings"

spectral

adjective ghostly, unearthly, eerie, supernatural, weird, phantom, shadowy, uncanny, spooky (informal), insubstantial, incorporeal, wraithlike the spectral quality of the light

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

spectral

adjective

Gruesomely suggestive of ghosts or death:

cadaverous, deadly, deathlike, deathly, ghastly, ghostlike, ghostly.

Translations

spektrální

aavemainen

spectral

spettrale

spectral

spectral

[ˈspektrəl] ADJ → espectral

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

spectral

adj

(of ghosts) → geisterhaft, gespenstisch

(of the spectrum) → spektral, Spektral-; spectral colour → Spektralfarbe f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

spectral

[ˈspɛktrəl] adj (liter) (ghostly) → spettrale