MEANING
A displacement of observed radiation toward shorter wavelengths compared with its emitted wavelengths.
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Words that belong together
- Doppler blueshift
- detect a blueshift
On the page
A blueshift in the signal revealed the vessel’s approach.
The astronomer measured a slight blueshift in the star’s spectrum.
Opposite meanings
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Word forms
- Base
- blueshift
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Usage notes
Primary category: sci-fi. Forms: Singular: blueshift; plural: blueshifts. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.
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