Wiktionary
redshifting
n. The production of a redshift
Usage examples of "redshifting".
At times the situation grew even more frustrating as the movement and gravity wells of the planets themselves introduced slight redshifting problems and microscopic time-dilation effects.
After all, at a gamma factor of, say, seventy thousand, a one-minute message would stretch out to seven weeks of ordinary time, to say nothing of the redshifting of the radio waves themselves to beyond the level of detectability.