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.

Nearby words

  1. specter,
  2. spectinomycin,
  3. spector,
  4. spectra,
  5. spectra yellow,
  6. spectral class,
  7. spectral line,
  8. spectral luminous efficiency,
  9. spectral series,
  10. 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 spectrally



British Dictionary definitions for spectrally

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 Formsspectrality (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

Word Origin and History for spectrally

spectral

adj.

1718, "capable of seeing spectres;" 1815, "ghostly;" from spectre + -al (1). Meaning "pertaining to a spectrum" is 1832, from stem of spectrum + -al (1).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for spectrally

spectral

[ spĕktrəl ]

adj.

Of, relating to, or produced by a spectrum.
Related formsspec•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.