redshift

English dictionary entry

Meanings

noun

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.

verb

(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.

/ˈɹɛdˌʃɪft/ rĕd'-shĭftˌ en-us-redshift.ogg

redshift redshifts red shift redshifting redshifted

From red + shift.

blueshift

Doppler effect

cosmological redshift gravitational redshift redshifted

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