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Noun: relativistic mass
  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

Derived forms: relativistic masses

Type of: mass

Encyclopedia: Relativistic mass

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relative pronoun
relative quantity
relative speed
relative velocity
relative-in-law
relatively
relativisation
relativise
relativism
relativistic
relativistic mass
relativistically
relativity
relativity theory
relativization
relativize
relator
relatum
relaunch
relax
relaxant