Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun relativistic_mass

1 sense of relativistic mass

Sense 1
relativistic mass -- ((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)
       => mass -- (the property of a body that causes it to have weight in a gravitational field)