1. plural of redshift: the displacement of spectral lines toward longer wavelengths in radiation from distant galaxies and other celestial objects
Usage: astronomy

1. third person singular present of redshift: to show or cause a redshift in the spectrum
Usage: astronomy

Examples

• The redshifts of distant galaxies provide evidence for the expansion of the universe.
• Astronomers measure redshifts to determine how fast galaxies are moving away from us.
• The greater the redshift, the more distant the galaxy appears to be.
• Light from the most distant quasars shows enormous redshifts.
• The spectrum redshifts as the galaxy moves away from Earth.
• This star’s light redshifts due to the Doppler effect.