redshift
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.
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.
Antonyms: blueshift
Origin
From red + shift.
Forms
Derived
Verb
- To shift toward the red end of the electromagnetic spectrum; to change to a longer wavelength and a lower frequency.
Antonyms: blueshift