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Definition of spectral

spectral

/ˈspɛk.tɹəl/
spec · tral
Adverb:spectrally
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spectral Lexical Profile

spectral Game Scores & Validity

• adjective

1

Of, relating to, or produced by a spectrum of light, electromagnetic radiation, or mathematical frequencies.

Example

"Astronomers analyzed the spectral lines of the distant star to determine its chemical composition."

2

Of, relating to, or resembling a ghost or apparition; ghostly and eerie.

Example

"A pale, spectral figure seemed to drift silently through the mist-covered graveyard."

Synonyms
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Antonyms
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• Rhymes for spectral

• Nearby Words

spectatorship
spectatrix
specter
spectral
spectrometer
spectroscope
spectrum

Word Origin & Etymology

Formed in the early 18th century from 'spectre' or 'spectrum' (from Latin spectrum, meaning 'image' or 'apparition', derived from specere, 'to look at') plus the adjective-forming suffix '-al'.

Cite this Entry

Wordmom. (2026). Definition of Spectral. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/spectral
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