radial velocity

1. 1.

   velocity along the line of sight toward or away from the observer

   Broaderspeed

Questions about radial velocity

What does radial velocity mean?

radial velocity means "velocity along the line of sight toward or away from the observer".

Is radial velocity a common word?

radial velocity is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.