redshift

play
noun red·shift \ˈred-ˈshift\

Definition of redshift

  1. :  a displacement of the spectrum of a celestial body toward longer wavelengths that is a consequence of the Doppler effect or the gravitational field of the source; also :  a measurement of a celestial body's redshift equal to the ratio of the displacement of a spectral line to its known unshifted wavelength and used especially to calculate the body's distance from earth

redshifted

adjective

1923

First Known Use of redshift

1923


Learn More about redshift


Seen and Heard

What made you want to look up redshift? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to search out and expose misconduct

Get Word of the Day daily email!