spectral
/ˈspɛktrəl/
adjective
- Of or like a ghost; ghostly in appearance or effect.
- She heard a spectral whisper echoing through the empty hall.
- A spectral figure appeared at the window, glowing faintly in the moonlight.
- The abandoned hospital had a spectral atmosphere that made visitors uneasy.
- Relating to or using a spectrum of light or other radiation.
- Spectral imaging can reveal details invisible to the naked eye.
- The telescope captured spectral data from distant galaxies.
- Scientists used spectral analysis to identify the elements in the star.
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