spectrally

Meanings

1. 1adverbtechnicalspecialist

   In a way that relates to a spectrum, especially the range of colors, wavelengths, or frequencies in light or sound.

   Grammar: Modifies verbs or adjectives: spectrally resolved, spectrally distinct.

   Patterns

   • spectrally resolved
   • spectrally distinct
   • spectrally analyzed

   The two stars are spectrally similar but differ in brightness.

   The instrument can separate spectrally overlapping signals.

2. 2adverbliteraryrare

   In a way that appears like a ghost or is faint and unreal, like a spectrum.

   Grammar: Used mostly in literary description: spectrally pale, spectrally lit.

   Patterns

   • spectrally pale
   • spectrally lit

   A spectrally pale figure stood at the end of the corridor.

   The room was spectrally lit by a single candle.

Common combinations

spectrally resolved

The telescope produced a spectrally resolved image of the nebula.

spectrally distinct

These two dyes are spectrally distinct under UV light.

spectrally similar

The samples are spectrally similar, so a different test is needed.

spectrally analyzed

The signal was spectrally analyzed to find hidden frequencies.

Synonyms and how they differ

optically

Optically relates to light in general; spectrally specifically refers to a spectrum of wavelengths or frequencies.

ghostly

Ghostly is an adjective for a frightening, spirit-like appearance; spectrally is the adverb and is more literary or technical.

Word family

spectrum noun

A range of colors, wavelengths, or related qualities.

spectral adjective

Relating to a spectrum, or ghost-like.

spectroscopy noun

The scientific study of spectra.

Commonly confused: spectrally or spectacularly?

Practice

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