Search Result for "relativistic mass":
Wordnet 3.0

NOUN (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;


WordNet (r) 3.0 (2006):

relativistic mass n 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