blueshift
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See also: blue shift
English
Alternative forms
Etymology
Pronunciation
Noun
blueshift (countable and uncountable, plural blueshifts)
- (physics: astronomy, relativity) A change in the wavelength of light, in which the wavelength is shorter ("bluer") than when it was emitted at the source.
- Antonym: redshift
Translations
change in wavelength of light
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Verb
blueshift (third-person singular simple present blueshifts, present participle blueshifting, simple past and past participle blueshifted)
- (physics: astronomy, relativity)(transitive, intransitive) (said of a photon or a beam of light) To shift toward the blue end of the electromagnetic spectrum; to change to a shorter wavelength and a higher frequency.
- Antonym: redshift