"0"^^ . "0"^^ . "104757786"@en-us . . . . "relativistic mass"^^ . . "relativistic mass"@en-us . . . "103924028"@en-us . "105025129"^^ . . . . . "05025129-n"^^ . . . "(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"@en-us .