relativistic mass

1. 1.

   (physics) the mass of a body in motion relative to the observer: it is equal to the rest mass multiplied by a factor that is greater than 1 and that increases as the magnitude of the velocity increases

   Broadermass

   physics

Questions about relativistic mass

What does relativistic mass mean?

relativistic mass means "(physics) the mass of a body in motion relative to the observer: it is equal to the rest mass multiplied by a factor that is greater than 1 and that increases as the magnitude of the velocity increases".

Is relativistic mass a common word?

relativistic mass 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.