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Redshift (top image)
Blueshift (bottom image)
See also: red shift
English
Blueshift (bottom image)
Alternative forms
Etymology
Pronunciation
Noun
redshift (countable and uncountable, plural redshifts)
- (physics: astronomy, relativity) An increase in the wavelength of a photon or of light, corresponding to a lower frequency and a shift toward the red end of the electromagnetic spectrum.
- Antonym: blueshift
Derived terms
Translations
increase in wavelength of light
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Verb
redshift (third-person singular simple present redshifts, present participle redshifting, simple past and past participle redshifted)
- (physics: astronomy, relativity) (ergative) (said of light or a photon) To shift toward the red end of the electromagnetic spectrum; to change to a longer wavelength and a lower frequency.
- Antonym: blueshift
Derived terms
Translations
to increase wavelength of light
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